%0 Journal Article %A L. N. Gagen-Torn %T Solvability by the Ritz method for functionals of the theory of plasticity %J Informatics and Automation %D 1962 %P 190-195 %V 66 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1962_66_a11/ %G ru %F TRSPY_1962_66_a11