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@article{MS_1982__160_3_a3, author = {{\CYRS}.{\CYRI}. {\CYRP}{\cyri}{\cyrs}{\cyrk}{\cyra}{\cyrr}{\cyryo}{\cyrv}}, title = {{\CYRP}{\cyre}{\cyrr}{\cyri}{\cyro}{\cyrd}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyre} {\cyri} {\cyrp}{\cyro}{\cyrch}{\cyrt}{\cyri}-{\cyrp}{\cyre}{\cyrr}{\cyri}{\cyro}{\cyrd}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyre} {\cyrk}{\cyro}{\cyrs}{\cyri}{\cyrn}{\cyru}{\cyrs} {\cyro}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrt}{\cyro}{\cyrr}-{\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyri}}, journal = {Matemati\v{c}eskij sbornik}, pages = {386--398}, publisher = {mathdoc}, volume = {160}, number = {3}, year = {1982}, zbl = {0522.35007}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1982__160_3_a3/} }
С.И. Пискарёв. Периодические и почти-периодические косинус оператор-функции. Matematičeskij sbornik, Tome 160 (1982) no. 3, pp. 386-398. http://geodesic.mathdoc.fr/item/MS_1982__160_3_a3/