%0 Journal Article %A A. N. Leznov %T On the complete integrability of a nonlinear system of partial differential equations in two-dimensional space %J Teoretičeskaâ i matematičeskaâ fizika %D 1980 %P 343-349 %V 42 %N 3 %U http://geodesic.mathdoc.fr/item/TMF_1980_42_3_a4/ %G ru %F TMF_1980_42_3_a4