@article{01897147,
title = {Periodic solutions of a piecewise linear beam equation damping and nonconstant load.},
journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]},
volume = {2002},
year = {2002},
zbl = {1015.35061},
language = {en},
url = {http://dml.mathdoc.fr/item/01897147}
}
An, Yukun. Periodic solutions of a piecewise linear beam equation damping and nonconstant load.. Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 2002 (2002) . http://gdmltest.u-ga.fr/item/01897147/