Erin W. Chambers, Bill Kinnersley, Noah Prince, Douglas B. West. Extremal Problems for Roman Domination. SIAM J. Discrete Math., 23(3):1575-1586, 2009. [doi]
@article{ChambersKPW09, title = {Extremal Problems for Roman Domination}, author = {Erin W. Chambers and Bill Kinnersley and Noah Prince and Douglas B. West}, year = {2009}, doi = {10.1137/070699688}, url = {http://dx.doi.org/10.1137/070699688}, researchr = {https://researchr.org/publication/ChambersKPW09}, cites = {0}, citedby = {0}, journal = {SIAM J. Discrete Math.}, volume = {23}, number = {3}, pages = {1575-1586}, }