%0 Journal Article %A A. G. Kusraev %T Closed graph and open mapping theorems for convex relations %J Doklady Akademii Nauk %D 1982 %P 526-529 %V 265 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1982_265_3_a2/ %G ru %F DAN_1982_265_3_a2