TY - JOUR AU - T. Ya. Azizov AU - V. L. Khatskevich TI - On self-adjoint operators connected by inequalities and on their applications to problems of mathematical physics JO - Matematičeskie zametki PY - 1994 SP - 3 EP - 12 VL - 55 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1994_55_6_a0/ LA - ru ID - MZM_1994_55_6_a0 ER -