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 Dokl. Akad. Nauk: Year: Volume: Issue: Page: Find

 MATHEMATICS Essential variables of functions of the algebra of logicYu. Ya. Breitbart 9 Additive set functions continuous in a directionYu. I. Gil'derman 11 Generalization of a problem of Schaeffer–Duffin to finite functionalsM. Ya. Zinger 14 Sufficient conditions for the optimality of discrete control systemsV. F. Krotov 18 Inverse method of establishing deducibility for non-prenex formulas of predicate calculusS. Yu. Maslov 22 Analytic capacity and the Cauchy integralM. S. Mel'nikov 26 Invariant coverings of subgroupsV. T. Nagrebetskii 30 Rings of operations and spectral sequences of Adams type in extraordinary cohomology theories. $U$-cobordism and $K$-theoryS. P. Novikov 33 Extraction of the square root from anticommutative spinorsS. S. Sannikov 37 Unitary and orthogonal invariants of matricesK. S. Sibirskii 40 Elliptic (co)boundary morphismsB. Yu. Sternin 44 Proof of non-isomorphism of spaces of smooth functions on a segment and on a squareG. M. Henkin 48 Groups with complemented nonnormal subgroupsV. A. Sheriev 52 Existence of a countable set of periodic motions in a four-dimensional space in an extended neighborhood of a saddle-focusL. P. Shilnikov 54 MATHEMATICAL PHYSICS The substitution groups of the representations of groups $G_2$ and $SU_3$S. I. Alishauskas, Z. B. Rudzikas, A. P. Yucis 58 Method of rectifying the fronts for many-front one-dimensional Stefan-type problemsA. B. Uspenskii 61 PHYSICS The anisotropy of the angular distribution and the structural nature of the energy distribution of ions scattered by the surface of a single crystalA. A. Aliev, U. A. Arifov 65 A contribution to the theory of relaxation under the influence of a random external fieldG. E. Vekstein, G. M. Zaslavsky 69 A note on mass formulas in the theory of unitary symmetryV. G. Kadyshevskii 73 Artificial production of a Ballas type diamondYa. A. Kalashnikov, L. F. Vereshchagin, E. M. Feklichev, I. S. Sukhushina 76 Enquiry into the spectral dependence of the photoionization of sensibilizing centres in cadmium sulfideV. E. Lashkarev, A. A. Ptashchenko 77 The energy structure of the cascade of collisions between like particles in a decelerating mediumV. M. Lenchenko, S. V. Starodubtsev 80