@article{105931,
author = {Nina Klimperov\'a},
title = {Periodic solutions to the inhomogeneous sine-Gordon equation},
journal = {Commentationes Mathematicae Universitatis Carolinae},
volume = {020},
year = {1979},
pages = {329-333},
zbl = {0413.35009},
mrnumber = {539561},
language = {en},
url = {http://dml.mathdoc.fr/item/105931}
}
Klimperová, Nina. Periodic solutions to the inhomogeneous sine-Gordon equation. Commentationes Mathematicae Universitatis Carolinae, Tome 020 (1979) pp. 329-333. http://gdmltest.u-ga.fr/item/105931/
Periodic solutions of a linear and weakly nonlinear wave equation in one dimension, I., Czechoslovak Math. J. 14 (89) (1964), 341-382. (1964) | MR 0174872