TY - JOUR AU - G. A. Iosif'yan AU - O. A. Oleinik AU - A. S. Shamaev TI - On the limiting behaviour of the spectrum of a sequence of operators defined on different Hilbert spaces JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1989 SP - 195 EP - 196 VL - 44 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1989_44_3_a11/ LA - en ID - RM_1989_44_3_a11 ER -