TY - JOUR AU - V. V. Struzhanov TI - Elastoplastic medium with a softening. Part 1. Material properties and incremental plasticity law is in tension JO - Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences PY - 2006 SP - 49 EP - 61 VL - 42 IS - 42 UR - http://geodesic.mathdoc.fr/item/VSGTU_2006_42_42_a5/ LA - ru ID - VSGTU_2006_42_42_a5 ER -