@article{10_4064_am_24_3_281_287,
     author = {A. Cima and A. Gasukk and F. Ma\~nosas},
     title = {Limit cycles for vector fields with homogeneous components},
     journal = {Applicationes Mathematicae},
     pages = {281--287},
     publisher = {mathdoc},
     volume = {24},
     number = {3},
     year = {1997},
     doi = {10.4064/am-24-3-281-287},
     zbl = {0880.34032},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-24-3-281-287/}
}