Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS_1962__98_1_a0, author = {{\CYRV}.{\CYRA}. {\CYRYA}{\cyrk}{\cyru}{\cyrb}{\cyro}{\cyrv}{\cyri}{\cyrch}}, title = {{\CYRO}{\cyrs}{\cyrc}{\cyri}{\cyrl}{\cyrl}{\cyrya}{\cyrt}{\cyro}{\cyrr}{\cyrn}{\cyrery}{\cyre} {\cyrs}{\cyrv}{\cyro}{\cyrishrt}{\cyrs}{\cyrt}{\cyrv}{\cyra} {\cyrr}{\cyre}{\cyrsh}{\cyre}{\cyrn}{\cyri}{\cyrishrt} {\cyrk}{\cyra}{\cyrn}{\cyro}{\cyrn}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrishrt}}, journal = {Matemati\v{c}eskij sbornik}, pages = {3--42}, publisher = {mathdoc}, volume = {98}, number = {1}, year = {1962}, zbl = {0158.09703}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1962__98_1_a0/} }
В.А. Якубович. Осцилляторные свойства решений канонических уравнений. Matematičeskij sbornik, Tome 98 (1962) no. 1, pp. 3-42. http://geodesic.mathdoc.fr/item/MS_1962__98_1_a0/