%0 Journal Article
%A N. S. Koshlyakov
%T On a second-order partial differential equations
%J Informatics and Automation
%D 1935
%P 189-200
%V 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TRSPY_1935_9_a5/
%G ru
%F TRSPY_1935_9_a5