The entire chromatic number of a normal graph is at most seven
Kronk, Hudson V. ; Mitchem, John
Bull. Amer. Math. Soc., Tome 78 (1972) no. 4, p. 799-800 / Harvested from Project Euclid
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Publié le : 1972-09-15
Classification:  0555 
@article{1183533996,
     author = {Kronk, Hudson V. and Mitchem, John},
     title = {The entire chromatic number of a normal graph is at most seven},
     journal = {Bull. Amer. Math. Soc.},
     volume = {78},
     number = {4},
     year = {1972},
     pages = { 799-800},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1183533996}
}

Kronk, Hudson V.; Mitchem, John. The entire chromatic number of a normal graph is at most seven. Bull. Amer. Math. Soc., Tome 78 (1972) no. 4, pp.  799-800. http://gdmltest.u-ga.fr/item/1183533996/