@article{MM2_1987__58_155226,
     author = {Larry Lambe and Jim Stasheff},
     title = {Applications of perturbation theory to iterated fibrations.},
     journal = {Manuscripta mathematica},
     pages = {363--376},
     publisher = {mathdoc},
     volume = {58},
     year = {1987},
     zbl = {0632.55011},
     url = {http://geodesic.mathdoc.fr/item/MM2_1987__58_155226/}
}