Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS_1957__83_1_a1, author = {{\CYRN}.{\CYRI}. {\CYRG}{\cyra}{\cyrv}{\cyrr}{\cyri}{\cyrl}{\cyro}{\cyrv}}, title = {{\CYRO}{\cyrb} {\cyru}{\cyrs}{\cyrt}{\cyro}{\cyrishrt}{\cyrch}{\cyri}{\cyrv}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrp}{\cyro} {{\CYRL}{\cyrya}{\cyrp}{\cyru}{\cyrn}{\cyro}{\cyrv}{\cyru}} {\cyrp}{\cyrr}{\cyri} {\cyrn}{\cyra}{\cyrl}{\cyri}{\cyrch}{\cyri}{\cyri} {\cyrh}{\cyra}{\cyrr}{\cyra}{\cyrk}{\cyrt}{\cyre}{\cyrr}{\cyri}{\cyrs}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyrch}{\cyri}{\cyrs}{\cyre}{\cyrl}, {\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyrery}{\cyrh} {\cyrn}{\cyru}{\cyrl}{\cyryu}}, journal = {Matemati\v{c}eskij sbornik}, pages = {7--22}, publisher = {mathdoc}, volume = {83}, number = {1}, year = {1957}, zbl = {0078.08002}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1957__83_1_a1/} }
Н.И. Гаврилов. Об устойчивости по Ляпунову при наличии характеристических чисел, равных нулю. Matematičeskij sbornik, Tome 83 (1957) no. 1, pp. 7-22. http://geodesic.mathdoc.fr/item/MS_1957__83_1_a1/