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@article{MI_1969__4_3_188985, author = {{\CYRI}.{\CYRC}. {\CYRG}{\cyro}{\cyrh}{\cyrb}{\cyre}{\cyrr}{\cyrg} and {\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}{\cyrery}{\cyrh} {\cyri}{\cyrn}{\cyrt}{\cyre}{\cyrg}{\cyrr}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrh} {\cyro}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrt}{\cyro}{\cyrr}{\cyro}{\cyrv}}, journal = {Matemati\v{c}eskie issledovani\^a}, pages = {136--139}, publisher = {mathdoc}, volume = {4}, number = {3}, year = {1969}, zbl = {0233.47035}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MI_1969__4_3_188985/} }
И.Ц. Гохберг; Н.Я. Крупник. О фактор-норме сингулярных интегральных операторов. Matematičeskie issledovaniâ, Tome 4 (1969) no. 3, pp. 136-139. http://geodesic.mathdoc.fr/item/MI_1969__4_3_188985/