@article{GDZPPN002432587,
title = {Hysteresis and Periodic Solutions of Semilinear and Quasilinear Wave Equations.},
journal = {Mathematische Zeitschrift},
volume = {192},
year = {1986},
pages = {247-264},
zbl = {0658.35065},
url = {http://dml.mathdoc.fr/item/GDZPPN002432587}
}
Krejci, Pavel. Hysteresis and Periodic Solutions of Semilinear and Quasilinear Wave Equations.. Mathematische Zeitschrift, Tome 192 (1986) pp. 247-264. http://gdmltest.u-ga.fr/item/GDZPPN002432587/