%0 Journal Article %A V. N. Pavlenko %T Existence theorems for elliptic variational inequalities with quasipotential operators %J Differencialʹnye uravneniâ %D 1988 %P 1397-1402 %V 24 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1988_24_8_a13/ %G ru %F DE_1988_24_8_a13