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### Mathematics

A. Yu. Dolgonosova, N. I. Zhukova

**Equivalent approaches to the concept of completeness of foliations with transverse linear connection**14—23

N. Isaenkova, E. Zhuzhoma, G. Osipov

**On semiconjugacy of Williams endomorphism and nonsingular circle endomorphism**24—30

M. Malkin , K. Saphonov

**Accurate assessment of the topological entropy for breaks maps of Lorenz type**31—36

T. M. Mitryakova, O. V. Pochinka

**The criteria of the topological conjugacy of 3-diffeomorphisms with a finite number orbits of heteroclinic tangency**37—40

S. N. Nagornykh, D. S. Sablukov

**Probability density as the solution of the Fokker-Plank equation in Noise-Induced Transitions.**41—44

A. V. Shchennikov, V. N. Shchennikov, E. V. Shchennikova

**Estimates of error of linearization of the relative parts and all phase variables**45—59

### Applied mathematics and mechanics

A. R. Nafikova,V. N. Krizsky

**To a question of mathematical modeling of processes of transfer of radon in piecewise and anisotropic layered media with inclusions**70—77

### Mathematical modeling and computer science

V. K. Ionychev, R. R. Kaderkaev, S. M. Muryumin, P. A. Shamanaev

**Numerical modelling of probability of inclusion of microplasma c participation of the deep centers in $p$--$n$--junction**78—86

G. R. Karamutdinova, I. M. Gubaydullin, K. F. Koledina, E. I. Kulish, A. K. Ilchibaeva

**The mathematical description of the diffusion process a chitosan film.**87—95

I. Lutoshkin, N. Yamaltdinova

**The maximum principle to the control problem of advertising expenses with distributed lag**96—104