CONTENTS
МATHEMATICS
Kyrov V.F. The pseudo-Helmholtz and dual Helmholtz planes with the Finsler geometry
Mustafayeva Y. Y., Aliyev N.A. On a method of investigating the Steklov problem for the 3-dimensional Laplace equation with non-local boundary-value conditions
Rozov A. V., Sokolov E. V. On the residual nilpotence of free products of nilpotent groups with central amalgamated subgroups

MECHANICS
Azin A.V., Khramtsov A.M., Ponomarev S.V., Rikkonen S.V. Mathematical modeling of piezo motor operation modes
Banzula Yu.B., Borzenko E.I., Karyazov, S.V., Shrager G.R. The kinematics of a viscous fluid flow in a channel with a valve
Filimonov S. A., Neob”yavlyayushchiy P. A., Mikhienkova E. I. An application of hybrid simulation algorithm for a research of the disposal system of noxious gases in aluminium production
Khalimanovich V. I. Effect of a gold coating on the mechanical properties of a мicrowire, applied for knitting of the large transformable antennas
Churuksaeva V. V., Starchenko A. V. Numerical investigation of a two-phase flow of fluid with light particles in open channels
Shagapov V. Sh., Khasanov M. K., Rafikova G. R. Displacement of methane from a gas hydrate reservoir in the process of carbon dioxide injection