TY - JOUR AU - V. A. Levin AU - V. V. Markov AU - S. F. Osinkin TI - Stresses in incompressible media. Equivalence of the statements of the ideal plasticity theory problems JO - Doklady Akademii Nauk PY - 1981 SP - 50 EP - 52 VL - 261 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1981_261_1_a11/ LA - ru ID - DAN_1981_261_1_a11 ER -