TY  - JOUR
AU  - Igusa, Kiyoshi
TI  - Combinatorial Miller–Morita–Mumford classes and Witten cycles
JO  - Algebraic and Geometric Topology
PY  - 2004
SP  - 473
EP  - 520
VL  - 4
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.2140/agt.2004.4.473/
DO  - 10.2140/agt.2004.4.473
ID  - 10_2140_agt_2004_4_473
ER  -