Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts
@article{PIM_1954_S_S_VI_06_a5, author = {{\CYRS}{\cyre}{\cyrr}{\cyrg}{\cyre}{\cyrishrt} {\CYRD}. {\CYRCH}{\cyre}{\cyrr}{\cyrn}{\cyrery}{\cyrishrt}}, title = {{\CYRS}{\cyrv}{\cyro}{\cyrb}{\cyro}{\cyrd}{\cyrn}{\cyra}{\cyrya} {{\CYRN}{\cyru}{\cyrt}{\cyra}{\cyrc}{\cyri}{\cyrya}} {{\CYRZ}{\cyre}{\cyrm}{\cyrl}{\cyri}}}, journal = {Publications de l'Institut Math\'ematique}, pages = {57 }, publisher = {mathdoc}, volume = {_S_S_VI}, number = {06}, year = {1954}, url = {http://geodesic.mathdoc.fr/item/PIM_1954_S_S_VI_06_a5/} }
Сергей Д. Черный. Свободная Нутация Земли. Publications de l'Institut Mathématique, _S_S_VI (1954) no. 06, p. 57 . http://geodesic.mathdoc.fr/item/PIM_1954_S_S_VI_06_a5/