@article{bwmeta1.element.desklight-fc7e5c0c-e1c2-4910-90c4-ad744ca727e4,
author = {S. S\k edziwy},
title = {On periodic solutions of a certain third-order non-linear differential equation},
journal = {Annales Polonici Mathematici},
volume = {17},
year = {1965},
pages = {147-154},
zbl = {0134.30802},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.desklight-fc7e5c0c-e1c2-4910-90c4-ad744ca727e4}
}
S. Sędziwy. On periodic solutions of a certain third-order non-linear differential equation. Annales Polonici Mathematici, Tome 17 (1965) pp. 147-154. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-fc7e5c0c-e1c2-4910-90c4-ad744ca727e4/