%0 Journal Article %A V. V. Struzhanov %T Elastoplastic medium with a softening. Part~2. Defining relations for complex stress state %J Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences %D 2006 %P 68-80 %N 43 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSGTU_2006_43_a9/ %G ru %F VSGTU_2006_43_a9