@book{AST_1975__27__1_0,
     author = {Cori, Robert},
     title = {Un code pour les graphes planaires et ses applications},
     series = {Ast\'erisque},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {27},
     year = {1975},
     mrnumber = {404045},
     zbl = {0313.05115},
     language = {fr},
     url = {http://www.numdam.org/item/AST_1975__27__1_0/}
}