Doost Ali Mojdeh, Nader Jafari Rad, Abdollah Khodkar. The defining numbers for vertex colorings of certain graphs. Australasian J. Combinatorics, 35:17-30, 2006. [doi]
@article{MojdehRK06, title = {The defining numbers for vertex colorings of certain graphs}, author = {Doost Ali Mojdeh and Nader Jafari Rad and Abdollah Khodkar}, year = {2006}, url = {http://ajc.maths.uq.edu.au/pdf/35/ajc_v35_p017.pdf}, researchr = {https://researchr.org/publication/MojdehRK06}, cites = {0}, citedby = {0}, journal = {Australasian J. Combinatorics}, volume = {35}, pages = {17-30}, }