%0 Journal Article
%A Ráb, Miloš
%T On the existence of solutions of certain nonlinear equations occurring in the transformation theory of a linear second order differential equation with complex valued coefficients
%J Archivum mathematicum
%D 1970
%P 75-78
%V 06
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ARM_1970__6_2_a0/
%G en
%F ARM_1970__6_2_a0