@article{GMJ_2000__7_1_226552,
     author = {Siersma, Dirk and Smeltnik, Job},
     title = {Classification of singularities at infinity of polynomials of degree 4 in two variables.},
     journal = {Georgian Mathematical Journal},
     pages = {179--190},
     publisher = {mathdoc},
     volume = {7},
     number = {1},
     year = {2000},
     zbl = {0966.32016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/GMJ_2000__7_1_226552/}
}