"Published by the American Mathematical Society ... under a grant from the National Science Foundation"--Title page.

Includes bibliographical references.

Generalizations of Schur's theorem concerning a class of algebraic functions /; On equations of prime degree /; Linear dependence of conjugate elements /; Spherical functions on symmetric Riemannian spaces /; Segments in a Dedekind lattice /; Solution of problems of linear algebra by the method of continued fractions /; Algebraic curves over fields with differentiation /; An example of a solvable but nonnilpotent alternative ring /; Principal homogeneous spaces defined over a function field /; On rings satisfying the minimal condition for subrings /; Regular unions and special subdirect sums in catagories /; A note on some properties of the number-theoretic functions phi (n), sigma (n) and (n) /; All large numbers are sums of a prime and two squares (a problem of Hardy and Littlewood) I /; All large numbers are sums of a prime and two squares (a problem of Hardy and Littlewood) II /; On the imbedding problem in spaces of paths /; Embedding of Finsler manifolds in a Minkowski space /; On properties of differentiable mappings of regions of Euclidean spaces /; A property of convexity of Riemannian manifolds of positive curvature /; Riemannian spaces which contain straight lines /; Riemannian spaces having their curvature bounded below by a positive number /; A group-theoretic method of differential geometric investigation /; Geometry of homogeneous spaces, representations of groups in homogeneous spaces and related questions of integral geometry. I / V. A. Kurbatov; V. A. Kurbatov; V. A. Kurbatov; I. M. Gelfand; I. M. Gelfand; L. A. Ljusternik; Ju. I. Manin; G. V. Dorofeev; I. R. Safarevic; V. I. Sneidmjuller; M. S. Calenko; Wang Yuan; Ju. V. Linnik; Ju. V. Linnik; Ku Chao-Hao; Ku Chao-Hao; L. D. Kudrjavcev; V. A. Toponogov; V. A. Toponogov; V. A. Toponogov; G. F. Laptev; I. M. Gelfand and M. I. Graev