%0 Journal Article %A A. K. Ratyni %T An elliptic boundary value problem with a~superposition operator in the boundary condition.~II %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2002 %P 54-62 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2002_6_a8/ %G ru %F IVM_2002_6_a8