%0 Journal Article %A C. Olech %T A connection between two certain methods of successive approximations in differential equations %J Annales Polonici Mathematici %D 1961 %P 237-245 %V 11 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-11-3-237-245/ %R 10.4064/ap-11-3-237-245 %G en %F 10_4064_ap_11_3_237_245