@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/}
}