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8—21

O. V. Germider , V. N. Popov , А. А. Yushkanov

**Mathematical modeling of the process heat transfer in a long cylindrical channel**22—29

V. Z. Grines, Yu. A. Levchenko, O. V. Pochinka

**The topological classification of locally direct product of DA-diffeomorphism of a 2-torus and rough diffeomorphism of the circle**30—36

E.Ya. Gurevich, S. H. Kapkaeva

**On topological classification of gradient-like systems on surfaces, that are locally direct product**37—47

R. V. Zhalnin, A. V. Maksimkin, V. F. Masyagin, A. I. Pantyushin, E. E. Peskova, V. D. Salnikov, V. F. Tishkin

**Research of the order of accuracy of an Implicit Discontinuous Galerkin method for solving problems of gas dynamics**48—54

E. V. Zhuzhoma, V. S. Medvedev, N. A. Tarasova

**Continuous Morse-Smale flows on projective-like manifolds**55—64

V. E. Kruglov, O. V. Pochinka

**Multicolored graph as a complete topological invariant for the flow with a finite number of singular trajectories on surfaces**65—70

71—81

82—88

E. V. Nikishin, S. M. Muryumin, E. E. Peskova

**Distortion that occurs when you restore a high-frequency optical pulses (silicon doped with indium)**105—110

111—119

120—127

T. K. Yuldashev O. V. Novoselov

**On a fredholm partial integro-differential equation of fourth order with degenerate kernel**128—134

### Short Communications

R. K. Galimova, M. Y. Yakupov

**Investigation of the solutions of the Laplace equation in processes using steam and gas discharges with liquid electrodes**135—139

A. V. Zubov , A. F. Zubova , O. A. Pustovalova

**The conditions of existing integrals system equations of motion**140—144