%0 Journal Article %A V. M. Bruk %T On a~class of boundary value problems with spectral parameter in the boundary condition %J Sbornik. Mathematics %D 1976 %P 186-192 %V 29 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1976_29_2_a4/ %G en %F SM_1976_29_2_a4