%0 Journal Article %A Takasi Kusano %A Hiroyuki Usami %T Positive Solutions of a Class of Second Order Semilinear Elliptic Equations in the Plane. %J Mathematische Annalen %D 1984 %P 255-264 %V 268 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1984__268_182918/ %F MAN_1984__268_182918