%0 Journal Article %A B. N. Biyarov %T On the spectral properties of well-posed restrictions and extensions of the Sturm--Liouville operator %J Differencialʹnye uravneniâ %D 1994 %P 2027-2032 %V 30 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1994_30_12_a0/ %G ru %F DE_1994_30_12_a0