Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MP_1957_a0, author = {V. G. Boltyanskii and V. A. Efremovich}, title = {{\CYRO}{\cyrch}{\cyre}{\cyrr}{\cyrk} {\cyro}{\cyrs}{\cyrn}{\cyro}{\cyrv}{\cyrn}{\cyrery}{\cyrh} {\cyri}{\cyrd}{\cyre}{\cyrishrt} {\cyrt}{\cyro}{\cyrp}{\cyro}{\cyrl}{\cyro}{\cyrg}{\cyri}{\cyri}}, journal = {Matematicheskoe Prosveshchenie}, pages = {3--34}, publisher = {mathdoc}, year = {1957}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MP_1957_a0/} }
V. G. Boltyanskii; V. A. Efremovich. Очерк основных идей топологии. Matematicheskoe Prosveshchenie, Математика, ее преподавание, приложения и история (1957), pp. 3-34. http://geodesic.mathdoc.fr/item/MP_1957_a0/