%0 Journal Article %A Georgi I. Chobanov %T Non-Zero Solutions for a Homogeneous Semilinear Elliptic Equation %J Mathematica balkanica %D 1991 %P 261 %V 5 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_1991_5_3_a9/ %F MABA_1991_5_3_a9