Guidelines for Authors

1.     General Information
1.1. The Journal Izvestiya of Saratov University. New Series. Series: Mathemat-ics. Mechanics. Informatics is published 4 times a year, and it accepts arti-cles with new original results in all the main sections of Mathematics, Me-chanics and Computer Science. 
1.2. The Journal’s sections correspond to the Catalogue of scientific areas of academic degrees: 
01.01.00 – Mathematics;
01.02.00 – Mechanics;
05.13.00 – Computer Science, Computing Equipment and Management.
1.3. The editorial board does not consider articles that:
   • Are only application-oriented;
   • Have been previously published;
   • Have been accepted for publication by other journals.
1.4. The article should not exceed 12 pages typeset in LaTeX according to the style guide presented at The acceptance of longer articles is subject to the editorial board approval.
1.5. The article should be carefully proof-read and thoroughly edited.
1.6. The text of the article can be sent to the address as a PDF file. Nevertheless the file should retain the structure of the content presen-tation (see 2.1). 
Upon the approval of the paper the author submits the .tex file of the fi-nal version of the article with the figure files and the PDF file. 
1.7. All the manuscripts submitted to the editorial board and complying with the Journal profile are reviewed (see Manuscript Review Procedure), whereupon the editorial board comes to the decision on the possibility of publishing them in the Journal. In case the decision is favorable the manu-script is subject to scientific and final editing. 
1.8. The manuscript directed to the author to be finalized should be revised and returned at the earliest opportunity. In case a manuscript is delayed for over three months it is considered as a newly submitted manuscript. The edited manuscript should be accompanied by the letters from the au-thors with the answers to all the critical comments and explaining all the changes introduced in the paper. If the manuscript is returned to be re-vised it does not follow that it will be published; upon revision it will be reviewed again. 
1.9. The author of the manuscript that has been accepted for publication will receive the editorial board decision and the license agreement. The author should sign and send two copies of the agreement to the address: 
V. A. Khalova, Saratov State University, 83, Astrakhanskaya St., Sara-tov, Russia, 410012. Upon being signed at the university one copy of the agreement is returned to the author. 
1.10. The date of the manuscript receipt is the date when its final version is received. 
1.11. The publication of manuscripts is free.
1.12. Contacts for addressing the editorial board of the series: 
   • Saratov State University, Faculty of Mechanics and Mathematics, 83, Astrakhanskaya St., Saratov, Russia, 410012 
   • E-mail:
1.13. Managing editor of the series: Victoria A. Khalova. 
2.     Manuscript Requirements
2.1. Structure: 
   • In Russian: UDC index, manuscript title, authors’ initials and sur-names, information about the authors (name, surname, patronymic, sci-entific degree, occupation, place of employment, organization address, e-mail), abstract, keywords, manuscript text, acknowledgments, sources of funding (if applicable), bibliography;
   • In English: manuscript title, author’s initials and surname, information about the authors (name, surname, ORCID, place of employment (or-ganization, address), e-mail), abstract, keywords, acknowledgments, sources of funding (if applicable), references. 
2.2. Information on the manuscript is given in a separate file: journal section, UDC, authors, manuscript title (in Russian and in English); information about the authors: surname, name and patronymics (full name), e-mail, phone (cell phone number or home phone number). 
2.3. Abstract requirements.
   • Optimal length 200–250 words.
  • The abstract should not contain complex formulas, references to bibli-ography, its content should not repeat the manuscript title; the abstract should not be replete in general words that do not convey the essence of the research;
   • The abstract should reflect the content of the manuscript maintaining its structure: introduction, aims and objectives, research methods, results, conclusion(s). 
A quality translation of the abstract into English allows:
   • Foreign scholars to learn the content of the article and determine their interest in it regardless of the language of the article  and the availability of the full text;
   • A non-Russian scientist to overcome the language barrier;
   • To increase the citation of the article by the foreign colleagues.
2.4.  Bibliography and References.
The bibliography should highlight how thoroughly the authors have pro-cessed the up-to-date publications on the topic of the article, foreign sources among them. 
Self-citations should not exceed 20% of the Bibliography.
Bibliography list should be typeset according to GOST (standard speci-fication) Р7.0.52008 ‘Bibliographic reference’. The bibliography list should only contain the articles cited in the paper. The sources should be numbered according to the order in which they are referenced in the text. References to unpublished papers are not permitted. 
References to the Russian sources:
   • If a translated version of the paper (book) exists, it should be present-ed; the translated version can also be described as additional infor-mation (in brackets); 
  • In case there is no translated version, transliteration can be used (, LC variant), the English translation of the paper (book) title should be given in square brackets, after the description the language of the paper is added (in Russian);
   • If the described publication has DOI, it should be indicated.
The format samples of different sources and the style guide are presented at
The samples of literature references are: [1]; [1, 2, 4]; [1–5]; [1, theorem 1]); [2, Ch. 5, § 3, lemma 8]); [2, theorem 3; 8, lemma 3].
2.5. Formulas
   • Automatic numbering of formulas should be used, whereupon the for-mula label should contain 3-4 first letters of the author’s surname and the sequence number. Examples: \label{kor_eq1}, \eqref{kor_eq1}.
   • Formulas that are not referenced in the text should not be numbered.
2.6. Figures and tables
   • Figures should be submitted in files of .eps format, the figure file should feature all the details clearly. 
   • All images if printed should be full size (the width is 160 mm, picture labels and its caption should be in Times New Roman, 10-11 font size (\small)). 
   • The caption should be self-sufficient and clear without the text. If the figure contains additional labeling it should be defined. 
  • Each table should be numbered in Arabic numerals and have a thematic title that briefly states its content. All the columns should have concise and informative subheadings. The units of measurement are specified after a comma. 
   • Figure captions, designations in figures, table headers and their contents are necessarily presented in two languages – Russian and English.
   • Each figure and each table in the text should be referenced in the text.
2.7. Miscellaneous
   • While preparing a file it is inadvisable to use new command sequences (introduced by the author while formatting), especially with format functions. 
   • On no account should the Greek letters and other standard commands be redefined. 
   • Standard macro package means should be used.
   • The manuscripts that do not comply with these rules are not registered in the editorial office and will be returned to the authors without review.
   • The manuscripts rejected by the editorial board are not returned.