%0 Journal Article %A A. N. Leznov %A M. V. Saveliev %T Two-dimensional nonlinear equations of the string type and their complete integration %J Teoretičeskaâ i matematičeskaâ fizika %D 1983 %P 323-337 %V 54 %N 3 %U http://geodesic.mathdoc.fr/item/TMF_1983_54_3_a0/ %G ru %F TMF_1983_54_3_a0