%0 Journal Article %A D. D. Ivlev %T Approximate solution of problems of small elastic-plastic deformations %J Doklady Akademii Nauk %D 1957 %P 527-528 %V 113 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_113_3_a12/ %G ru %F DAN_1957_113_3_a12