Duanfeng Liu, Xinru Liu. Some new classes of upper embeddable graphs. Ars Comb., 96, 2010.
@article{LiuL10a-11, title = {Some new classes of upper embeddable graphs}, author = {Duanfeng Liu and Xinru Liu}, year = {2010}, researchr = {https://researchr.org/publication/LiuL10a-11}, cites = {0}, citedby = {0}, journal = {Ars Comb.}, volume = {96}, }