TY - JOUR AU - Jan Bochenek TI - Dependence of a differential equation on the first eigenvalue of a suitable problem JO - Annales Polonici Mathematici PY - 1980 SP - 195 EP - 200 VL - 38 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-38-2-195-200/ DO - 10.4064/ap-38-2-195-200 LA - en ID - 10_4064_ap_38_2_195_200 ER -