Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS_1956__81_3_a5, author = {{\CYRH}.{\CYRA}. {\CYRS}{\cyrm}{\cyri}{\cyrr}{\cyrn}{\cyro}{\cyrv}{\cyra}}, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyra} {\cyro} $g$-{\cyro}{\cyrk}{\cyrr}{\cyru}{\cyrzh}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyrya}{\cyrh}}, journal = {Matemati\v{c}eskij sbornik}, pages = {397--399}, publisher = {mathdoc}, volume = {81}, number = {3}, year = {1956}, zbl = {0072.38605}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1956__81_3_a5/} }
Х.А. Смирнова. Задача о $g$-окружностях. Matematičeskij sbornik, Tome 81 (1956) no. 3, pp. 397-399. http://geodesic.mathdoc.fr/item/MS_1956__81_3_a5/