%0 Journal Article %A Szymon M. Walczak %T Collapse of warped submersions %J Annales Polonici Mathematici %D 2006 %P 139-146 %V 89 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap89-2-3/ %R 10.4064/ap89-2-3 %G en %F 10_4064_ap89_2_3