%0 Journal Article %A A. A. Bukhan'ko %T Plasticity condition related with level lines of strain %J Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences %D 2013 %P 199-206 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSGTU_2013_1_a18/ %G ru %F VSGTU_2013_1_a18