CONTENTS
MATHEMATICS
Gimaltdinova A.A., Anosova E.P. On zeros of the combination of products of Bessel functions
5
Ivanov D.Y. Solution of boundary problems for a two-dimensional elliptic operatordifferential equation in an abstract Hilbert space using the method of boundary integral equations
11
Kоzlovskaya T.A. Cyclically presented Sieradski groups with even number of generators and three dimensional manifolds
32
Kolesnikov I.A. Determining parameters of conformal mappings from the upper halfplane onto straight-line periodic polygons with double symmetry and onto circular periodic polygons
42
Mardanov М.J., Sharifov Ya.A., Zeynally F.M. Existence and uniqueness of solutions for nonlinear impulsive differential equations with nonlocal boundary conditions
61
MECHANICS
Borzenko E.I., Hegaj E.I. Numerical investigation of the reservoir filling with a newtonian fluid using the VoF-method
73
Demin V.A. The features of the convective flows of multicomponent fluids in thin cavities
87
Merzlyakov A.V., Kryukova E.A. Free oscillations of an ideal fluid in a rectangular vessel with a horizontal permeable membrane
107
Morenko I.V. Numerical simulation of the liquid column collapse in the reservoirs of different shapes
119
Khasanov I.R., Orlov O.I. efficiency of the screening capacity of sprayed water during a fire
132
Yanov D.V., Bodrov A.S., Pakhnutova N.V., Zelepugin S.A. Simulation of dynamic channel-angular pressing of copper samples with allowance for experimental data of loading
141
BRIEF INFORMATION ABOUT THE AUTHORS
152