%0 Journal Article
%A Norman Levinson
%T On stability of non-linear systems of differential equations
%J Colloquium Mathematicum
%D 1949
%P 40-45
%V 2
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm-2-1-40-45/
%R 10.4064/cm-2-1-40-45
%G en
%F 10_4064_cm_2_1_40_45