Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS_1967__114_4_a6, author = {{\CYRA}.{\CYRG}. {\CYRR}{\cyra}{\cyrm}{\cyrm}}, title = {{\CYRP}{\cyri}{\cyrs}{\cyrsftsn}{\cyrm}{\cyro} {\cyrv} {\cyrr}{\cyre}{\cyrd}{\cyra}{\cyrk}{\cyrc}{\cyri}{\cyryu}}, journal = {Matemati\v{c}eskij sbornik}, pages = {638--638}, publisher = {mathdoc}, volume = {114}, number = {4}, year = {1967}, zbl = {0149.06801}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1967__114_4_a6/} }
А.Г. Рамм. Письмо в редакцию. Matematičeskij sbornik, Tome 114 (1967) no. 4, p. 638. http://geodesic.mathdoc.fr/item/MS_1967__114_4_a6/