Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1976__26_1_a2, author = {Zelinka, Bohdan}, title = {Hadwiger numbers of finite graphs}, journal = {Mathematica slovaca}, pages = {23--30}, publisher = {mathdoc}, volume = {26}, number = {1}, year = {1976}, mrnumber = {0427145}, zbl = {0324.05120}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1976__26_1_a2/} }
Zelinka, Bohdan. Hadwiger numbers of finite graphs. Mathematica slovaca, Tome 26 (1976) no. 1, pp. 23-30. http://geodesic.mathdoc.fr/item/MASLO_1976__26_1_a2/