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@article{MS_1959__90_2_a4, author = {{\CYRK}.{\CYRA}. {\CYRS}{\cyri}{\cyrt}{\cyrn}{\cyri}{\cyrk}{\cyro}{\cyrv}}, title = {{\CYRK}{\cyro}{\cyrm}{\cyrb}{\cyri}{\cyrn}{\cyra}{\cyrt}{\cyro}{\cyrr}{\cyrn}{\cyra}{\cyrya} {\cyrt}{\cyro}{\cyrp}{\cyro}{\cyrl}{\cyro}{\cyrg}{\cyri}{\cyrya} {\cyrn}{\cyre}{\cyrz}{\cyra}{\cyrm}{\cyrk}{\cyrn}{\cyru}{\cyrt}{\cyrery}{\cyrh} {\cyrm}{\cyrn}{\cyro}{\cyrzh}{\cyre}{\cyrs}{\cyrt}{\cyrv}. {III.{\CYRI}{\cyrz}{\cyro}{\cyrm}{\cyro}{\cyrr}{\cyrf}{\cyri}{\cyrz}{\cyrm}} {\cyrd}{\cyrv}{\cyro}{\cyrishrt}{\cyrs}{\cyrt}{\cyrv}{\cyre}{\cyrn}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri}}, journal = {Matemati\v{c}eskij sbornik}, pages = {213--226}, publisher = {mathdoc}, volume = {90}, number = {2}, year = {1959}, zbl = {0085.37401}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1959__90_2_a4/} }
К.А. Ситников. Комбинаторная топология незамкнутых множеств. III.Изоморфизм двойственности. Matematičeskij sbornik, Tome 90 (1959) no. 2, pp. 213-226. http://geodesic.mathdoc.fr/item/MS_1959__90_2_a4/