@article{AIHPC_1989__S6__259_0,
author = {Fournier, Gilles and Willem, M.},
title = {Multiple solutions of the forced double pendulum equation},
journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
volume = {S6},
year = {1989},
pages = {259-281},
mrnumber = {1204018},
zbl = {0683.70022},
language = {en},
url = {http://dml.mathdoc.fr/item/AIHPC_1989__S6__259_0}
}
Fournier, G.; Willem, M. Multiple solutions of the forced double pendulum equation. Annales de l'I.H.P. Analyse non linéaire, Tome S6 (1989) pp. 259-281. http://gdmltest.u-ga.fr/item/AIHPC_1989__S6__259_0/
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