%0 Journal Article %A V. A. Mikhailets %T Spectral asymptotics of boundary value problems for a Sturm--Liouville operator equation %J Doklady Akademii Nauk %D 1976 %P 1037-1040 %V 228 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1976_228_5_a6/ %G ru %F DAN_1976_228_5_a6