@article{MSH_1975__50__15_0,
     author = {Eytan, M.},
     title = {Matrices ordonnables : une \'etude alg\'ebrique},
     journal = {Math\'ematiques et sciences humaines},
     pages = {15--22},
     publisher = {Ecole Pratique des hautes \'etudes, Centre de math\'ematique sociale et de statistique},
     volume = {50},
     year = {1975},
     mrnumber = {392053},
     zbl = {0378.06005},
     language = {fr},
     url = {http://www.numdam.org/item/MSH_1975__50__15_0/}
}