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@article{FAA_1982_16_2_a17, author = {I. M. Spitkovsky}, title = {A criterion for normality of operators in {Hilbert} space}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {86--87}, publisher = {mathdoc}, volume = {16}, number = {2}, year = {1982}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1982_16_2_a17/} }
I. M. Spitkovsky. A criterion for normality of operators in Hilbert space. Funkcionalʹnyj analiz i ego priloženiâ, Tome 16 (1982) no. 2, pp. 86-87. http://geodesic.mathdoc.fr/item/FAA_1982_16_2_a17/