TY - JOUR AU - J. Bochenek TI - On a modification of a theorem of O. Olejnik and on its applications JO - Annales Polonici Mathematici PY - 1966 SP - 121 EP - 126 VL - 18 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-18-2-121-126/ DO - 10.4064/ap-18-2-121-126 LA - en ID - 10_4064_ap_18_2_121_126 ER -