TY - JOUR AU - S. E. Aleksandrov AU - R. V. Goldshtejn TI - A variational principle in the theory of plastic flow taking into JO - Doklady Akademii Nauk PY - 1995 SP - 484 EP - 486 VL - 342 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1995_342_4_a14/ LA - ru ID - DAN_1995_342_4_a14 ER -