@article{MAN_1996__306_3_165449,
     author = {A. Campillo and G. Gonzales-Springenberg},
     title = {Clusters of infinitely near points.},
     journal = {Mathematische Annalen},
     pages = {169--194},
     publisher = {mathdoc},
     volume = {306},
     number = {3},
     year = {1996},
     zbl = {0853.14002},
     url = {http://geodesic.mathdoc.fr/item/MAN_1996__306_3_165449/}
}