Dokl. Akad. Nauk SSSR, 1962, Volume 146, Number 5

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1962, Volume 146, Number 5

MATHEMATICS
	A probabilistic formulation of two economic problems A. A. Borovkov	983
	On the normalizability of a Boolean algebra D. A. Vladimirov	987
	On the theory of covering Euclidean $n$-space by equal spheres A. F. Gametskii	991
	The Poincaré problem for a second-order elliptic equation with singular coefficients A. Dzhuraev	995
	On the uniqueness of a minimal semireducible decomposition G. I. Kruchkovich	999
	Algebras with identical relations V. N. Latyshev	1003
	On the asymptotic behavior of integral matrices of third order Yu. V. Linnik, B. F. Skubenko	1007
	On recursive Abelian groups A. I. Mal'tsev	1009
	The asymptotic value of the approximation of multiply differentiable functions by positive linear operators R. G. Mamedov	1013
	On computable invariants A. A. Markov	1017
	The theory of differential equations with a small factor multiplying the derivatives in linear topological sapces V. M. Millionshchikov	1021
	On the theory of linear algebraic groups V. P. Platonov	1025
	The structure of an $n$-dimensional parallelohedron of first type S. S. Ryshkov	1027
	On perfect bicompact extensions E. G. Sklyarenko	1031
	A local homeomorphism of a 3-space realizable by the solution of a certain elliptic system V. I. Shevchenko	1035

MATHEMATICAL PHYSICS
	Electromagnetic field excited by an electric dipole with a wedge G. D. Malyuzhinets, A. A. Tuzhilin	1039
	Asymptotic behaviour of the solution to a contact axially symmetrical thermoconvective problem with high values of the convective parameter L. I. Rubinshtein	1043

PHYSICS
	Resonance and non-resonance radiation of centres in $\mathrm{GaP}$ crystals and their interaction with lattice phonons E. F. Gross, D. S. Nedzvetskii	1047
	Fission of $\mathrm{U}^{238}$ nuclei by continuous spectrum photons with $E_{\gamma\max}=35$ Mev and by 14 Mev neutrons A. P. Komar, B. A. Bochagov, V. I. Fadeev	1051
	A model of quantum field theory V. D. Kukin, A. R. Frenkin	1054

GEOPHYSICS
	Measurement of electric field intensity at the surface of a rocket flying in the ionosphere G. L. Gdalevich	1064

CRYSTALLOGRAPHY
	Investigation of the structure of cementite crystals by means of electron diffraction analysis A. I. Gardin	1068

CHEMISTRY
	On the bond of thiocyanate and selenocyanate groups with the central atom in the ammines and dioxyimines of cobalt (III) A. V. Ablov, I. D. Samus'	1071
	Reaction of I-chloro-I-nitrozocyclohexane with butadiene-1,3 Yu. A. Arbuzov, A. A. Onitchenko	1075
	The structure of $\mathrm{UO}_2(\mathrm{NO}_3)_2\cdot2\mathrm{NO}_2$ V. M. Vdovenko, D. N. Suglobov, G. A. Romanov	1078
	Polymethylene dyes – derivatives of substituted thiazolines T. G. Gnevysheva, I. I. Levkoev	1081
	Synthesis and some transformations of $\beta$-substituted acroleines V. T. Klimko, T. V. Protopopova, A. P. Skoldinov	1084
	New interesting cases of the formation of nitrosocompounds I. L. Knuniants, A. V. Fokin, V. S. Blagoveshchenskii, Yu. M. Kosyrev	1088
	An investigation of the germanium-selenium system Liu Qun-hua, A. S. Pashinkin, A. V. Novoselova	1092
	Spectra of the derivatives of 2,4-dinitroaniline. Presence of quasiautonomous cochromophore systems E. E. Milliaresi, V. A. Izmailsky	1094
	Methylcyclopentadiene as a balanced mixture of isomeres V. A. Mironov, E. V. Sobolev, A. N. Elizarova	1098
	The structure of rhodium acetate complexes M. A. Porai-Koshits, A. S. Antsyshkina	1102
	Derivatives of $\beta$-ketophosphinic acids V. L. Foss, V. V. Kudinova, G. B. Postnikova, I. F. Lutsenko	1106
	Isotopic exchange of hydrogen between hydrocarbons when catalyzed by alcoholates in electron-giving solvents A. I. Shatenshtein, E. A. Yakovleva	1109
	$\delta$-Lactones and $\delta$-lactams. Chloromethylation of pyrones-2 N. P. Shusherina, N. D. Dmitrieva, R. Ya. Levina	1113

PHYSICAL CHEMISTRY
	Some regularities in the vibration spectra of organosilicon compounds V. F. Mironov, N. A. Chumaevskii	1117
	Determination of the $\alpha$ constant from the dependence of the electroreduction kinetics on the potential and on the background concentration O. A. Petrii, A. N. Frumkin	1121
	Application of electrochemical persulphate reduction to initiation of polymerization reaction E. M. Skobets, G. S. Nestyuk	1125
	Dehydration of isopropyl alcohol on a radioactive tricalcium phosphate catalyst Vikt. I. Spitsyn, A. A. Balandin, I. E. Mikhailenko, N. P. Dobroselskaya	1128
	Unusual manifestations of the mutual influence of atomic groups in spectra of complex molecules P. P. Shorygin, E. M. Popov	1132

	Поправки к статье “Об устойчивости решений уравнений второго порядка” (ДАН, т. 141, № 6) A. Yu. Levin
	Поправки к статье “Радиационный метод синтеза новых производных гетероциклических соединений” (ДАН, т. 140, № 6, 1961 г.) S. A. Safarov, M. A. Proskurnin, B. F. Bogatikov