%0 Journal Article %A M. A. Artemov %A D. D. Ivlev %T On general relations of the theory of perfect plasticity under piecewise linear conditions of plastic flow %J Doklady Akademii Nauk %D 1996 %P 332-334 %V 350 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1996_350_3_a9/ %G ru %F DAN_1996_350_3_a9