Abstract
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I. I. Parovichenko. On suprema of families of (H)-closed extensions of Hausdorff spaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1241
P. E. Sobolevskii. On (S)-numbers of positive operators. . . . . . . . . . . 1245
I. D. Stupina. On some properties of (R)-, (R^c)-operations and projective operations on non-enumerable systems of sets in connection with the hypotheses of branching. . . . . . . . . . . . . . . . . . . . . . . . . . . 1248
M. F. Timan. Some embedding theorems for (L_p)-classes of functions . . . . 1251
S. A. Chunikhin. On nilpotent and supersolvable subgroups of finite groups . . 1255
MECHANICS
L. V. Altshuler, A. V. Balabanov, V. A. Batalov, N. A. Gerashchenko, V. A. Rodionov, V. A. Svidinskii, D. M. Tarasov. The camouflet explosion in liquid and resilient-plastic media. . . . . . . . . . . . . . . . . . . . . . . 1259
A. S. Kelzon, K. K. Malinovskii, V. I. Iakovlev. Effect of inhomogeneity of elastic field of supports on parametric oscillations of a rigid shaft . . . . . . . 1263
N. Sibatullin. A linear magnetohydrodynamic theory of the development of nonhomogeneities in axisymmetric models of the universe with cosmological magnetic field. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1267
MATHEMATICAL PHYSICS
Iu. N. Drozhzhinov, O. B. Moskalev. The flux of single-scattered neutrons from a point source in an infinite medium. . . . . . . . . . . . . . . . . . . 1271
PHYSICS
F. V. Bunkin, A. E. Kazakov. Electron-positron pair production in focussing laser radiation in dense plasma. . . . . . . . . . . . . . . . . . . . . . 1274
M. A. Gintsburg. Automodel waves in cold plasma with a magnetic field. . . . 1276
L. S. Kornienko, N. V. Kravtsov, E. G. Lariontsev, A. M. Prokhorov. Some properties of solid-state laser with a resonator of great length . . . . . . . . . 1280
A. D. Sahlin-Iavorskii, L. M. Beliaev, V. M. Fridkin. Sensibilized photolysis on semiconductors as a principle of long-wave photography. . . . . . . . . . . 1283
TECHNICAL PHYSICS
J. E. Geguzin, N. N. Ovcharenko, S. S. Simeonov, A. M. Gvozdikov. On the motion of pores in alkali-haloid monocrystals in an external electric field . . . 1286
D. V. Fedoseev, V. P. Varnin, B. V. Deriagin. On epitaxial growth of diamond from carbon-containing gas. . . . . . . . . . . . . . . . . . . . . . . . 1290
CRYSTALLOGRAPHY
A. N. Chernov, B. A. Maximov, V. V. Iliukhin, N. V. Belov. Crystalline structure of monoclinic modification of K, Zr-diorthosilicate-(\mathrm{K}_2\mathrm{ZrSi}_2\mathrm{O}_7). . . 1293
ERRATUM
In the article by A. A. Samarskii, “Iterative two-layer schemes for non-self-adjoint equations,” published in Doklady Akademii Nauk, vol. 186, no. 1, 1969, the following corrections must be made:
| Page | Lines | Printed | Should read |
|---|---|---|---|
| 35 | 4 from bottom | (S = E - \tau c) | (S = E - \tau C) |
| 36 | 15 | (C = (A^{-1} + \omega E)^{-}) | (C = (A^{-1} + \omega E)^{-1}) |
| 37 | 5 | (A_0 = \frac{1}{2}(A - A^*)) | (A_0 = \frac{1}{2}(A + A^*)) |
| 37 | 13 | (\gamma_3 = c_3 \overset{\circ}{\gamma}_3) | (\gamma_3 = c_3 \overset{\circ}{\gamma}_2) |
| 37 | 24 from bottom | (\gamma_3 = c_3 \gamma_2) | (\gamma_3 = c_3 \overset{\circ}{\gamma}_2) |
| 38 | 2 | (cx_k) | (Cx_k) |
| 38 | 21 | (A \ne A) | (A \ne A^*) |