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@article{MS_1980__154_2_a5, author = {{\CYRV}.{\CYRR}. {\CYRD}{\cyra}{\cyrv}{\cyri}{\cyrd}{\cyrya}{\cyrn}}, title = {{\CYRO} {\cyrt}{\cyro}{\cyrch}{\cyrk}{\cyra}{\cyrh} {\cyrs}{\cyro}{\cyrv}{\cyrp}{\cyra}{\cyrd}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrd}{\cyrv}{\cyru}{\cyrh} {\cyro}{\cyrt}{\cyro}{\cyrb}{\cyrr}{\cyra}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyrishrt}}, journal = {Matemati\v{c}eskij sbornik}, pages = {220--225}, publisher = {mathdoc}, volume = {154}, number = {2}, year = {1980}, zbl = {0438.55001}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1980__154_2_a5/} }
В.Р. Давидян. О точках совпадения двух отображений. Matematičeskij sbornik, Tome 154 (1980) no. 2, pp. 220-225. http://geodesic.mathdoc.fr/item/MS_1980__154_2_a5/