@article{MSH_1989__106__17_0,
     author = {Panayotopoulos, A.},
     title = {Permutations planaires g\'en\'eralis\'ees},
     journal = {Math\'ematiques informatique et sciences humaines},
     pages = {17--20},
     publisher = {Ecole des hautes-\'etudes en sciences sociales},
     volume = {106},
     year = {1989},
     mrnumber = {1014826},
     zbl = {0682.05004},
     language = {fr},
     url = {http://www.numdam.org/item/MSH_1989__106__17_0/}
}