@article{EJDE_2012__2012__a0,
     author = {Feng,  Meiqiang and Zhang,  Xuemei},
     title = {Anti-periodic solutions to {Rayleigh-type} equations with two deviating arguments},
     journal = {Electronic journal of differential equations},
     year = {2012},
     volume = {2012},
     zbl = {1290.34069},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2012__2012__a0/}
}