%0 Journal Article %A V. G. Korneev %A U. Langer %T Regularity of solutions of problems of the theory of plastic flow %J Differencialʹnye uravneniâ %D 1984 %P 667-676 %V 20 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1984_20_4_a13/ %G ru %F DE_1984_20_4_a13