%0 Journal Article %A M. Imanaliev %A P. S. Pankov %A T. M. Imanaliev %T On the theory of nonlinear partial differential equations of %J Doklady Akademii Nauk %D 1995 %P 17-19 %V 342 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1995_342_1_a3/ %G ru %F DAN_1995_342_1_a3