%0 Journal Article %A Larry Lambe %A Jim Stasheff %T Applications of perturbation theory to iterated fibrations. %J Manuscripta mathematica %D 1987 %P 363-376 %V 58 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1987__58_155226/ %F MM2_1987__58_155226