@article{CTGDC_1968__10_1_127_0,
     author = {Hilton, Peter},
     title = {Commuting limits},
     journal = {Cahiers de topologie et g\'eom\'etrie diff\'erentielle},
     pages = {127--138},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {10},
     number = {1},
     year = {1968},
     mrnumber = {232818},
     zbl = {0159.02003},
     language = {en},
     url = {http://archive.numdam.org/item/CTGDC_1968__10_1_127_0/}
}