%0 Journal Article %A S. I. Senashov %T Group analysis of equations of an anisotropic ideally plastic %J Doklady Akademii Nauk %D 1991 %P 1374-1377 %V 316 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1991_316_6_a20/ %G ru %F DAN_1991_316_6_a20