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@article{IVM_1979_8_a1, author = {M. I. Gil'}, title = {Estimates of the norm of a~function of {a~Hilbert--Schmidt} operator}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {14--19}, publisher = {mathdoc}, number = {8}, year = {1979}, language = {ru}, url = {https://geodesic-test.mathdoc.fr/item/IVM_1979_8_a1/} }
M. I. Gil'. Estimates of the norm of a~function of a~Hilbert--Schmidt operator. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 8 (1979), pp. 14-19. https://geodesic-test.mathdoc.fr/item/IVM_1979_8_a1/