A Mixed Problem for a Wave Equation with a Nonzero Initial Velocity |

Approximate Solution of an Optimal Control Problem with Linear Nonhomogeneous Control System in Hilbert Space |

On Riesz Basises of Eigenfunctions of Integral Operators with Kernels Discontinuous on Broken Lines |

On Riesz Basises of the Eigen and Associated Functions of the Functional-Differential Operator with a Variable Structure |

Estimates for Eigenfunctions and Eigenvalues of an Integral-differential Operator |

Justification of Fourier Method in a Mixed Problem for Wave Equation with Non-zero Velocity |

On Riescz Bases of Eigenfunction of 2-nd Order Differential Operator with Involution and Integral Boundary Conditions |

Riescz Basis Property of Eigen and Associated Functions of Integral Operators with Discontinuous Kernels, Containing Involution |

Refined asymptotic formulas for eigenvalues and eigenfunctions of the Dirac system with nondifferentiable potential |

Mixed Problem for a Homogeneous Wave Equation with a Nonzero Initial Velocity and a Summable Potential |