%0 Journal Article %A Jolanta Przybycin %T On bifurcation intervals for nonlinear eigenvalue problems %J Annales Polonici Mathematici %D 1999 %P 39-46 %V 71 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-71-1-39-46/ %R 10.4064/ap-71-1-39-46 %G en %F 10_4064_ap_71_1_39_46