%0 Journal Article %A R. R. Gadyl'shin %T Asymptotics of the eigenvalue of a singularly perturbed selfadjoint elliptic problem with a small parameter in the boundary conditions %J Differencialʹnye uravneniâ %D 1986 %P 640-652 %V 22 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1986_22_4_a9/ %G ru %F DE_1986_22_4_a9