@article{SPHM_1976___3_A1_0,
     author = {Hilton, Peter},
     title = {Nilpotency in {Group} {Theory} and {Topology}},
     journal = {S\'eminaire de Philosophie et Math\'ematiques},
     pages = {1--23},
     publisher = {\'Ecole Normale Sup\'erieure},
     number = {3},
     year = {1976},
     language = {en},
     url = {http://archive.numdam.org/item/SPHM_1976___3_A1_0/}
}