@article{EJDE_2015__2015__a69,
     author = {Peng,  Linping and Feng,  Zhaosheng},
     title = {Limit cycles from a cubic reversible system via the third-order averaging method},
     journal = {Electronic journal of differential equations},
     year = {2015},
     volume = {2015},
     zbl = {1318.34056},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2015__2015__a69/}
}