TY  - JOUR
AU  - E.N. Dancer
TI  - On the number of positive solutions of some weakly nonlinear equations on annular regions.
JO  - Mathematische Zeitschrift
PY  - 1991
SP  - 551
EP  - 562
VL  - 206
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1991__206_1_174243/
ID  - MZ_1991__206_1_174243
ER  -