%0 Journal Article
%A E.N. Dancer
%T On the number of positive solutions of some weakly nonlinear equations on annular regions.
%J Mathematische Zeitschrift
%D 1991
%P 551-562
%V 206
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1991__206_1_174243/
%F MZ_1991__206_1_174243