%0 Journal Article
%A S. K. Ghosal
%A M. Chatterjee
%T On perturbation theory of a system of quasi-linear ordinary differential equations
%J Matematički vesnik
%D 1974
%P 185 
%V 26
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MV_1974_26_1_a25/
%F MV_1974_26_1_a25