01726nam a2200325 i 450099100082132970753620020507174020.0980515s1962 us ||| | eng b10761858-39ule_instLE01302821ExLDip.to Matematicaengengrus515.64AMS 49-06AMS 49QAmerican Mathematical Society289747Differential geometry and calculus of variations /American Mathematical SocietyProvidence, R.I. :American Mathematical Society,1962504 p. :ill. ;24 cmAmerican Mathematical Society Translations,0065-9290 ;Ser.1, v.6Eight papers translated from the Russian.Contents: The variation of the topological structure of level surfaces / L.E. El'sgol'c. Two-dimensional problems of the calculus of variations / A. G. Sigalov. Variational problems on closed manifolds / A. I. Fet. Deformation of surfaces ; Qualitative problems of the theory of deformation of surfaces / N. V. Efimov. On convex surface with regular metric ; Quasi-geodesic lines on a convex surface / A. V. Pogorelov. Projective differential geometry of family of pairs / B. A. Rozenfel'd.Includes bibliographical referencesCalculus of variationsCongresses.b1076185823-02-1728-06-02991000821329707536LE013 49-XX AMS11 (1962)12013000098951le013-E0.00-l- 03030.i1085715128-06-02Differential geometry and calculus of variations923104UNISALENTOle01301-01-98ma -engus 01