%0 Journal Article %A G. G. Kazaryan %T A variational boundary value problem for quasilinear equations of regular and irregular types %J Differencialʹnye uravneniâ %D 1983 %P 1007-1018 %V 19 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1983_19_6_a10/ %G ru %F DE_1983_19_6_a10