@article{MSH_1976__53__63_0,
     author = {Tomescu, Ioan},
     title = {Sur le nombre des cycles n\'egatifs d'un graphe complet sign\'e},
     journal = {Math\'ematiques et sciences humaines},
     pages = {63--67},
     publisher = {Ecole Pratique des hautes \'etudes, Centre de math\'ematique sociale et de statistique},
     volume = {53},
     year = {1976},
     mrnumber = {457285},
     zbl = {0327.05119},
     language = {fr},
     url = {http://www.numdam.org/item/MSH_1976__53__63_0/}
}