%0 Journal Article %A Saeki, Osamu %T Cobordism of Morse functions on surfaces, the universal complex of singular fibers and their application to map germs %J Algebraic and Geometric Topology %D 2006 %P 539-572 %V 6 %N 2 %U http://geodesic.mathdoc.fr/articles/10.2140/agt.2006.6.539/ %R 10.2140/agt.2006.6.539 %F 10_2140_agt_2006_6_539