@article{10_2140_agt_2004_4_473,
     author = {Igusa, Kiyoshi},
     title = {Combinatorial {Miller{\textendash}Morita{\textendash}Mumford} classes and {Witten} cycles},
     journal = {Algebraic and Geometric Topology},
     pages = {473--520},
     year = {2004},
     volume = {4},
     number = {1},
     doi = {10.2140/agt.2004.4.473},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2004.4.473/}
}