%0 Journal Article %A A. P. Makhmudov %A Z. S. Aliyev %T On a nonlinear analogue of the implicit method in the theory of %J Doklady Akademii Nauk %D 1987 %P 1306-1309 %V 295 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1987_295_6_a4/ %G ru %F DAN_1987_295_6_a4