%0 Journal Article %A G. M. Arhutik %T Completely integrable partial differential systems of Riemann and Gauss type %J Differencialʹnye uravneniâ %D 1981 %P 1548-1561 %V 17 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1981_17_9_a1/ %G ru %F DE_1981_17_9_a1