@article{RM_1989_44_3_a11,
     author = {G. A. Iosif'yan and O. A. Oleinik and A. S. Shamaev},
     title = {On the limiting behaviour of the spectrum of a sequence of operators defined on different {Hilbert} spaces},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {195--196},
     publisher = {mathdoc},
     volume = {44},
     number = {3},
     year = {1989},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1989_44_3_a11/}
}