%0 Journal Article %A T. Ya. Azizov %A V. L. Khatskevich %T On self-adjoint operators connected by inequalities and on their applications to problems of mathematical physics %J Matematičeskie zametki %D 1994 %P 3-12 %V 55 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1994_55_6_a0/ %G ru %F MZM_1994_55_6_a0