%0 Journal Article %A R. Karpe %T Solutions of two types of differential equations %J Annales Polonici Mathematici %D 1968 %P 33-38 %V 21 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-21-1-33-38/ %R 10.4064/ap-21-1-33-38 %G en %F 10_4064_ap_21_1_33_38