Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1986__36_4_a2, author = {Jendro\v{l}, Stanislav}, title = {On face vectors of trivalent maps}, journal = {Mathematica slovaca}, pages = {367--386}, publisher = {mathdoc}, volume = {36}, number = {4}, year = {1986}, mrnumber = {871777}, zbl = {0611.57009}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1986__36_4_a2/} }
Jendroľ, Stanislav. On face vectors of trivalent maps. Mathematica slovaca, Tome 36 (1986) no. 4, pp. 367-386. http://geodesic.mathdoc.fr/item/MASLO_1986__36_4_a2/