Ligang Zhou, Erfang Shan, Yancai Zhao. Upper signed k-domination number in graphs. Ars Comb., 122:307-318, 2015.
@article{ZhouSZ15, title = {Upper signed k-domination number in graphs}, author = {Ligang Zhou and Erfang Shan and Yancai Zhao}, year = {2015}, researchr = {https://researchr.org/publication/ZhouSZ15}, cites = {0}, citedby = {0}, journal = {Ars Comb.}, volume = {122}, pages = {307-318}, }