Electronic Journal of Qualitative Theory of Differential Equations [electronic only], Tome 1999 (1999),
/ Harvested from The Electronic Library of Mathematics
@article{01249353,
title = {Periodic solutions of semilinear equations at resonance with a },
journal = {Electronic Journal of Qualitative Theory of Differential Equations [electronic only]},
volume = {1999},
year = {1999},
zbl = {0916.34063},
language = {en},
url = {http://dml.mathdoc.fr/item/01249353}
}
Ma, Shiwang; Wang, Zhicheng. Periodic solutions of semilinear equations at resonance with a . Electronic Journal of Qualitative Theory of Differential Equations [electronic only], Tome 1999 (1999) . http://gdmltest.u-ga.fr/item/01249353/