@article{IM_1993__111_1_144074,
     author = {Philippe Du Bois and Francoise Michel},
     title = {Cobordism of algebraic knots via {Seifert} forms.},
     journal = {Inventiones mathematicae},
     pages = {151--170},
     publisher = {mathdoc},
     volume = {111},
     number = {1},
     year = {1993},
     zbl = {0789.57015},
     url = {http://geodesic.mathdoc.fr/item/IM_1993__111_1_144074/}
}