%0 Journal Article %A V. P. Maslov %A A. M. Chebotarev %T Drift of boundary conditions and uniqueness theorems for nonlinear %J Doklady Akademii Nauk %D 1986 %P 47-51 %V 289 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1986_289_1_a10/ %G ru %F DAN_1986_289_1_a10