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@article{DAN_1962_142_2_a4, author = {V. \`E. Lyantse}, title = {A generalization of the concept of spectral operator}, journal = {Doklady Akademii Nauk}, pages = {278--281}, publisher = {mathdoc}, volume = {142}, number = {2}, year = {1962}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1962_142_2_a4/} }
V. È. Lyantse. A generalization of the concept of spectral operator. Doklady Akademii Nauk, Tome 142 (1962) no. 2, pp. 278-281. http://geodesic.mathdoc.fr/item/DAN_1962_142_2_a4/