@article{10_1007_s10492_009_0006_8,
     author = {Tang, Mei-Lan and Liu, Xin-Ge and Liu, Xin-Bi},
     title = {New results on periodic solutions for a kind of {Rayleigh} equation},
     journal = {Applications of Mathematics},
     pages = {79--85},
     publisher = {mathdoc},
     volume = {54},
     number = {1},
     year = {2009},
     doi = {10.1007/s10492-009-0006-8},
     mrnumber = {2476023},
     zbl = {1212.34124},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1007/s10492-009-0006-8/}
}