@article{MSH_1964__9__31_0,
     author = {Gardelle, J.},
     title = {Cadences},
     journal = {Math\'ematiques et sciences humaines},
     pages = {31--38},
     publisher = {Ecole Pratique des hautes \'etudes, Centre de math\'ematique sociale et de statistique},
     volume = {9},
     year = {1964},
     language = {fr},
     url = {http://www.numdam.org/item/MSH_1964__9__31_0/}
}