Gen Kawatani, Kenjiro Ogawa, Morimasa Tsuchiya. 2-upper bound graphs of posets. Ars Comb., 140:173-182, 2018.
@article{KawataniOT18, title = {2-upper bound graphs of posets}, author = {Gen Kawatani and Kenjiro Ogawa and Morimasa Tsuchiya}, year = {2018}, researchr = {https://researchr.org/publication/KawataniOT18}, cites = {0}, citedby = {0}, journal = {Ars Comb.}, volume = {140}, pages = {173-182}, }