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@article{MI_1975__10_2_189298, author = {{\CYRN}.{\CYRYA}. {\CYRK}{\cyrr}{\cyru}{\cyrp}{\cyrn}{\cyri}{\cyrk}}, title = {{\CYRO} {\cyrf}{\cyra}{\cyrk}{\cyrt}{\cyro}{\cyrr}-{\cyrn}{\cyro}{\cyrr}{\cyrm}{\cyre} {\cyrs}{\cyri}{\cyrn}{\cyrg}{\cyru}{\cyrl}{\cyrya}{\cyrr}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyro}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrt}{\cyro}{\cyrr}{\cyra}}, journal = {Matemati\v{c}eskie issledovani\^a}, pages = {255--263}, publisher = {mathdoc}, volume = {10}, number = {2}, year = {1975}, zbl = {0345.47042}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MI_1975__10_2_189298/} }
Н.Я. Крупник. О фактор-норме сингулярного оператора. Matematičeskie issledovaniâ, Tome 10 (1975) no. 2, pp. 255-263. http://geodesic.mathdoc.fr/item/MI_1975__10_2_189298/