%0 Journal Article %A M. L. Gorbachuk %A V. A. Mikhailets %T Semibounded selfadjoint extensions of symmetric operators %J Doklady Akademii Nauk %D 1976 %P 765-767 %V 226 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1976_226_4_a5/ %G ru %F DAN_1976_226_4_a5