%0 Journal Article %A Banyaga, Augustin %A Hurtubise, David E %T Cascades and perturbed Morse–Bott functions %J Algebraic and Geometric Topology %D 2013 %P 237-275 %V 13 %N 1 %U http://geodesic.mathdoc.fr/articles/10.2140/agt.2013.13.237/ %R 10.2140/agt.2013.13.237 %F 10_2140_agt_2013_13_237