Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS_1990__181_9_a0, author = {{\CYRI}.{\CYRK}. {\CYRB}{\cyra}{\cyrb}{\cyre}{\cyrn}{\cyrk}{\cyro}}, title = {{\CYRP}{\cyre}{\cyrr}{\cyri}{\cyro}{\cyrd}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyre} {\cyrt}{\cyrr}{\cyra}{\cyre}{\cyrk}{\cyrt}{\cyro}{\cyrr}{\cyri}{\cyri} {\cyrt}{\cyrr}{\cyre}{\cyrh}{\cyrm}{\cyre}{\cyrr}{\cyrn}{\cyrery}{\cyrh} {\cyrb}{\cyri}{\cyrl}{\cyrsftsn}{\cyrya}{\cyrr}{\cyrd}{\cyro}{\cyrv} {{\CYRB}{\cyri}{\cyrr}{\cyrk}{\cyrg}{\cyro}{\cyrf}{\cyra}}}, journal = {Matemati\v{c}eskij sbornik}, pages = {1155--1169}, publisher = {mathdoc}, volume = {181}, number = {9}, year = {1990}, zbl = {0713.58007}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1990__181_9_a0/} }
И.К. Бабенко. Периодические траектории трехмерных бильярдов Биркгофа. Matematičeskij sbornik, Tome 181 (1990) no. 9, pp. 1155-1169. http://geodesic.mathdoc.fr/item/MS_1990__181_9_a0/