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@article{MS_1950__68_2_a5, author = {{\CYRA}.{\CYRD}. {\CYRM}{\cyrery}{\cyrsh}{\cyrk}{\cyri}{\cyrs}}, title = {{\CYRO}{\cyrb} {\cyrerev}{\cyrk}{\cyrv}{\cyri}{\cyrv}{\cyra}{\cyrl}{\cyre}{\cyrn}{\cyrt}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrn}{\cyre}{\cyrk}{\cyro}{\cyrt}{\cyro}{\cyrr}{\cyrery}{\cyrh} {\cyrs}{\cyrp}{\cyro}{\cyrs}{\cyro}{\cyrb}{\cyro}{\cyrv} {\cyrv}{\cyrv}{\cyre}{\cyrd}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrg}{\cyrr}{\cyra}{\cyrn}{\cyri}{\cyrc}{\cyrery}}, journal = {Matemati\v{c}eskij sbornik}, pages = {228--236}, publisher = {mathdoc}, volume = {68}, number = {2}, year = {1950}, zbl = {0039.18902}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1950__68_2_a5/} }
А.Д. Мышкис. Об эквивалентности некоторых способов введения границы. Matematičeskij sbornik, Tome 68 (1950) no. 2, pp. 228-236. http://geodesic.mathdoc.fr/item/MS_1950__68_2_a5/