%0 Journal Article %A Nguyen Manh Hung %T On the absence of positive solutions of second-order nonlinear elliptic equations in conical domains %J Differencialʹnye uravneniâ %D 1998 %P 533-539 %V 34 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1998_34_4_a13/ %G ru %F DE_1998_34_4_a13