TY - JOUR AU - A. A. Bukhan'ko TI - Plasticity condition related with level lines of strain JO - Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences PY - 2013 SP - 199 EP - 206 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VSGTU_2013_1_a18/ LA - ru ID - VSGTU_2013_1_a18 ER -