TY - JOUR AU - Henning Wiebers TI - 5-Shaped Bifurcation Curves of Nonlinear Elliptic Boundary Value Problems. JO - Mathematische Annalen PY - 1985 SP - 555 EP - 570 VL - 270 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MAN_1985__270_182979/ ID - MAN_1985__270_182979 ER -