@article{PM_1988_1988_1_a21,
     author = {Coll, Bartomeu and Gasull, Armengol and Llibre, Jaume},
     title = {Sistemas cuadr\'aticos con un \'unico punto singular finito.},
     journal = {Publicacions matem\`atiques},
     pages = {199-259},
     publisher = {mathdoc},
     volume = {32},
     number = {2},
     year = {1988},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PM_1988_1988_1_a21/}
}