%0 Journal Article %A S. I. Pokhozhaev %T Higher-order quasilinear elliptic equations %J Differencialʹnye uravneniâ %D 1981 %P 115-128 %V 17 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1981_17_1_a14/ %G ru %F DE_1981_17_1_a14