%0 Journal Article
%A Z. Kowalski
%T The polygonal method of solving the differential equation y' = h(t, y, y, y')
%J Annales Polonici Mathematici
%D 1963
%P 173-204
%V 13
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/ap-13-2-173-204/
%R 10.4064/ap-13-2-173-204
%G en
%F 10_4064_ap_13_2_173_204