%0 Journal Article
%A L. A. Ivanov
%T The Cauchy--Kovalevskaja theorem for equations with singularities
%J Doklady Akademii Nauk
%D 1976
%P 1005-1008
%V 226
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1976_226_5_a3/
%G ru
%F DAN_1976_226_5_a3