%0 Journal Article
%A P. M. Gauthier
%T Remarks on a~theorem of~Keldysh--Lavrent'ev
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1985
%P 179-180
%V 40
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1985_40_4_a31/
%G en
%F RM_1985_40_4_a31