@article{GDZPPN002093170, title = {The Signature of Quasi-Nilpotent Fiber Bundles}, journal = {Inventiones mathematicae}, volume = {41}, year = {1977}, pages = {91-94}, zbl = {0334.55015}, url = {http://dml.mathdoc.fr/item/GDZPPN002093170} }
Roitberg, J. The Signature of Quasi-Nilpotent Fiber Bundles. Inventiones mathematicae, Tome 41 (1977) pp. 91-94. http://gdmltest.u-ga.fr/item/GDZPPN002093170/