@article{CTGDC_1978__19_2_147_0,
     author = {Kamps, Klaus Heiner},
     title = {On a sequence of {K.} {A.} {Hardie}},
     journal = {Cahiers de topologie et g\'eom\'etrie diff\'erentielle},
     pages = {147--154},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {19},
     number = {2},
     year = {1978},
     mrnumber = {528343},
     zbl = {0389.55013},
     language = {en},
     url = {http://www.numdam.org/item/CTGDC_1978__19_2_147_0/}
}