%0 Journal Article %A A. P. Oskolkov %T Nonlocal problems for some class nonlinear operator equations arising in the theory Sobolev type equations %J Zapiski Nauchnykh Seminarov POMI %D 1991 %P 31-48 %V 198 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1991_198_a4/ %G ru %F ZNSL_1991_198_a4