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@article{TM_1981_155_a0, author = {S. M. Nikol'skii}, title = {Preface}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {5--6}, publisher = {mathdoc}, volume = {155}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TM_1981_155_a0/} }
S. M. Nikol'skii. Preface. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Spectral theory of functions and operators. Part II, Tome 155 (1981), pp. 5-6. http://geodesic.mathdoc.fr/item/TM_1981_155_a0/