%0 Journal Article %A A. P. Oskolkov %T Uniqueness and global solvability for boundary-value problems %J Zapiski Nauchnykh Seminarov POMI %D 1973 %P 98-136 %V 38 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1973_38_a6/ %G ru %F ZNSL_1973_38_a6