Ebadollah S. Mahmoodian, Behnaz Omoomi, Nasrin Soltankhah. Smallest defining number of r-regular k-chromatic graphs: r :::1::: k. Ars Comb., 78, 2006.
@article{MahmoodianOS06, title = {Smallest defining number of r-regular k-chromatic graphs: r :::1::: k}, author = {Ebadollah S. Mahmoodian and Behnaz Omoomi and Nasrin Soltankhah}, year = {2006}, tags = {graph-rewriting, rewriting}, researchr = {https://researchr.org/publication/MahmoodianOS06}, cites = {0}, citedby = {0}, journal = {Ars Comb.}, volume = {78}, }