| Mathematics | |
| Aleksandrov A.Yu., Zhabko A.P. . On the maintainance of the asymptotic stability while passing from differential to difference equations | 3 |
| Vinogradov O.L., Zhuk V.V. Addition to sharp inequalities of Jackson and Landau—Kolmogorov type for derivatives of a small order | 11 |
| Gelig A.Kh., Kabrits M.S. Stabilization of nonlinear pulse-modulated systems | 20 |
| Zakharov V.V., Dementieva M.B. Consistency of subcore and the problem of minimum reduction | 28 |
| Zuber L.E. The synthesis of modal terminal control for time-varying discrete systems | 34 |
| Melas V.Â., Krylova L.A. On a functional approach to E-optimal design for polino-mial regression. | 42 |
| Petrov N.N., Chumanova A. V. On some problems of the search with counteraction | 51 |
| Ponomarenko A.K. Three invariant cubature formulae with a central symmetric weight function | 58 |
| Mechanics | |
| Aleshkov Yu.Z.: Barinov V.A., Boutakova N.N. The nonlinear surface waves on two-phase a layer of the medium | 64 |
| Kurbatova G.I., Pavlovskii V.A., Philippov V. Â., Popova E.A. On a locking equation of stationary turbulence stream pipe models | 76 |
| Novoselov V.S. Optimal trajectories of rendez-vous in a gravitational field | 89 |
| Peregudin S.L Waves in two-layer liquid above the loose medium | 97 |
| Skurin L.1. The parallel scheme for Navier—Stokes equations on the base of an itera-tive space marching method | 107 |
| Astronomy | |
| Bobylev V.V., Vityazev V. V., Goncharov G.A. Analysis of kinematics of visually bi-nary stars | 111 |
| Kholshevnikov K.V., Orlov S.A., Jazmati M.S. Dust torus. Part II: analysis of the en-veloping surface of trajectories family of isotropic ejected particles | 119 |
| Papers | 131 |
Editor T.V.Semenova. Technical editor A.V.Borshcheva Phones: 328-97-84, 323-76-30, 328-21-64. E-mail: ts@ts2340 spb.edu |