%0 Journal Article %A V. A. Solonnikov %T Overdetermined elliptic boundary value problems %J Zapiski Nauchnykh Seminarov POMI %D 1971 %P 112-158 %V 21 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1971_21_a8/ %G ru %F ZNSL_1971_21_a8