%0 Journal Article
%A G. M. Arhutik
%T Some classes of completely integrable systems of second-order partial differential equations with fixed critical points
%J Differencialʹnye uravneniâ
%D 1982
%P 859-867
%V 18
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1982_18_5_a17/
%G ru
%F DE_1982_18_5_a17