@article{GDZPPN002228017, title = {Applications of perturbation theory to iterated fibrations.}, journal = {Manuscripta mathematica}, volume = {58}, year = {1987}, pages = {363-376}, zbl = {0632.55011}, url = {http://dml.mathdoc.fr/item/GDZPPN002228017} }
Lambe, Larry; Stasheff, Jim. Applications of perturbation theory to iterated fibrations.. Manuscripta mathematica, Tome 58 (1987) pp. 363-376. http://gdmltest.u-ga.fr/item/GDZPPN002228017/