TY - JOUR AU - L. N. Gagen-Torn TI - Solvability by the Ritz method for functionals of the theory of plasticity JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1962 SP - 190 EP - 195 VL - 66 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_1962_66_a11/ LA - ru ID - TM_1962_66_a11 ER -