Shuji Isobe, Xiao Zhou, Takao Nishizeki. Cost Total Colorings of Trees. IEICE Transactions, 87-D(2):337-342, 2004. [doi]
@article{IsobeZN04, title = {Cost Total Colorings of Trees}, author = {Shuji Isobe and Xiao Zhou and Takao Nishizeki}, year = {2004}, url = {http://search.ieice.org/bin/summary.php?id=e87-d_2_337}, researchr = {https://researchr.org/publication/IsobeZN04}, cites = {0}, citedby = {0}, journal = {IEICE Transactions}, volume = {87-D}, number = {2}, pages = {337-342}, }