@article{EJDE_2004__2004__a133,
     author = {Garijo,  Antonio and Gasull,  Armengol and Jarque,  Xavier},
     title = {Normal forms for singularities of one dimensional holomorphic vector fields},
     journal = {Electronic journal of differential equations},
     year = {2004},
     volume = {2004},
     zbl = {1075.34089},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2004__2004__a133/}
}