%0 Journal Article
%A Karim, Rahmi Ibrahim Ibrahim Abdel
%T On the exceptional case in systems of non-linear differential equations
%J Archivum mathematicum
%D 1971
%P 9-20
%V 07
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ARM_1971__7_1_a1/
%G en
%F ARM_1971__7_1_a1