%0 Journal Article %A Jan Bochenek %T Dependence of a differential equation on the first eigenvalue of a suitable problem %J Annales Polonici Mathematici %D 1980 %P 195-200 %V 38 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-38-2-195-200/ %R 10.4064/ap-38-2-195-200 %G en %F 10_4064_ap_38_2_195_200