TY - JOUR AU - Saeki, Osamu TI - Cobordism of Morse functions on surfaces, the universal complex of singular fibers and their application to map germs JO - Algebraic and Geometric Topology PY - 2006 SP - 539 EP - 572 VL - 6 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.2140/agt.2006.6.539/ DO - 10.2140/agt.2006.6.539 ID - 10_2140_agt_2006_6_539 ER -