Xuehong Yin, Hong Bian, Haizheng Yu. The Co-PI index of some compound graphs. Ars Comb., 128:331-339, 2016.
@article{YinBY16, title = {The Co-PI index of some compound graphs}, author = {Xuehong Yin and Hong Bian and Haizheng Yu}, year = {2016}, researchr = {https://researchr.org/publication/YinBY16}, cites = {0}, citedby = {0}, journal = {Ars Comb.}, volume = {128}, pages = {331-339}, }