Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_2006_79_4_a6, author = {A. V. Zuev}, title = {On periodic solutions of ordinary differential equations with discontinuous right-hand side}, journal = {Matemati\v{c}eskie zametki}, pages = {560--570}, publisher = {mathdoc}, volume = {79}, number = {4}, year = {2006}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_2006_79_4_a6/} }
A. V. Zuev. On periodic solutions of ordinary differential equations with discontinuous right-hand side. Matematičeskie zametki, Tome 79 (2006) no. 4, pp. 560-570. http://geodesic.mathdoc.fr/item/MZM_2006_79_4_a6/