@article{01439629,
title = {On existence of periodic solutions of the Rayleigh equation of retarded type.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {23},
year = {2000},
pages = {65-68},
doi = {10.1155/S0161171200001836},
zbl = {0949.34059},
language = {en},
url = {http://dml.mathdoc.fr/item/01439629}
}
Wang, Genqiang; Yan, Jurang. On existence of periodic solutions of the Rayleigh equation of retarded type.. International Journal of Mathematics and Mathematical Sciences, Tome 23 (2000) pp. 65-68. doi : 10.1155/S0161171200001836. http://gdmltest.u-ga.fr/item/01439629/