@article{03788633, title = {The chromatic index of cyclic Steiner 2-designs.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {5}, year = {1982}, pages = {823-825}, doi = {10.1155/S0161171282000775}, zbl = {0501.05011}, language = {en}, url = {http://dml.mathdoc.fr/item/03788633} }
Colbourn, Charles J.; Colbourn, Marlene J. The chromatic index of cyclic Steiner 2-designs.. International Journal of Mathematics and Mathematical Sciences, Tome 5 (1982) pp. 823-825. doi : 10.1155/S0161171282000775. http://gdmltest.u-ga.fr/item/03788633/