%0 Journal Article %A V. V. Struzhanov %T Elastoplastic medium with a softening. Part 1. Material properties and incremental plasticity law is in tension %J Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences %D 2006 %P 49-61 %V 42 %N 42 %U http://geodesic.mathdoc.fr/item/VSGTU_2006_42_42_a5/ %G ru %F VSGTU_2006_42_42_a5