Periodic solutions of the equation $\ddot x+\lambda f(ax+b\dot x)\dot x+x=0$
Differencialʹnye uravneniâ, Tome 22 (1986) no. 5, pp. 905-907
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@article{DE_1986_22_5_a29,
author = {N. P. Morozov},
title = {Periodic solutions of the equation $\ddot x+\lambda f(ax+b\dot x)\dot x+x=0$},
journal = {Differencialʹnye uravneni\^a},
pages = {905--907},
year = {1986},
volume = {22},
number = {5},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DE_1986_22_5_a29/}
}
N. P. Morozov. Periodic solutions of the equation $\ddot x+\lambda f(ax+b\dot x)\dot x+x=0$. Differencialʹnye uravneniâ, Tome 22 (1986) no. 5, pp. 905-907. http://geodesic.mathdoc.fr/item/DE_1986_22_5_a29/