@article{MSH_1982__78__33_0,
     author = {Descles, J. P.},
     title = {Multiop\'erateurs - {Multiop\'erations}},
     journal = {Math\'ematiques et sciences humaines},
     pages = {33--72},
     publisher = {Ecole Pratique des hautes \'etudes, Centre de math\'ematique sociale et de statistique},
     volume = {78},
     year = {1982},
     mrnumber = {688394},
     zbl = {0491.68083},
     language = {fr},
     url = {http://archive.numdam.org/item/MSH_1982__78__33_0/}
}