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 Stratifiable pairs adjoined to a parabolic congruence of mutual perpendicularsS. P. Finikov 3 Radicals of rings and algebrasA. G. Kurosh 13 On the minimality condition for normal divisors of locally soluble groupsV. S. Charin 27 On selection of a subgroup of elements of finite order as a direct summand in groups of type $P$N. Ya. Vilenkin 37 On the influence of the number of all classes of noninvariant conjugate subgroups on properties of a finite nonspecial groupP. I. Trofimov 45 Prime ends of a sequence of plane regions converging to a nucleusG. D. Suvorov 73 Some theorems on bilaterally stratifiable pairs with real focal surfacesL. Ya. Berezina 101 On existence and conjugateness of subgroups of a finite groupS. A. Chunikhin 111 Free distributive lattices and free bicompact $T_0$-spacesG. Ya. Areshkin 133 Geometry of proximity, uniform geometry and topologyN. S. Ramm, A. S. Schwarz 157 On an arithmetic method of orthogonalization in nonseparable Hilbert spacesD. M. Kotelyanskii 181 On the index of an unbounded operatorI. Ts. Gokhberg 193 Application of variational methods to the problem of branch pointsM. A. Krasnosel'skii 199 Necessary and sufficient conditions that the roots of a polynomial not have positive real parts and that the multiplicity of the zero and imaginary roots not exceed a given numberV. S. Novoselov 215 On convergence of certain interpolation processes for functions of two argumentsI. P. Natanson 219 Investigation of an integer-valued invariant of $N$ binary forms of degree $n>4$Z. T. Makarova 233