%0 Journal Article %A C. Olech %T On the asymptotic coincidence of sets filled up by integrals of two systems of ordinary differential equations %J Annales Polonici Mathematici %D 1961 %P 49-74 %V 11 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-11-1-49-74/ %R 10.4064/ap-11-1-49-74 %G en %F 10_4064_ap_11_1_49_74