@article{IM2_2004_68_5_a3,
     author = {M. E. Kazarian and S. K. Lando},
     title = {Towards an intersection theory on {Hurwitz} spaces},
     journal = {Izvestiya. Mathematics},
     pages = {935--964},
     year = {2004},
     volume = {68},
     number = {5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2004_68_5_a3/}
}