Daniel Berend, Shira Zucker. The Black-and-White Coloring Problem on Trees. J. Graph Algorithms Appl., 13(2):133-152, 2009. [doi]
@article{BerendZ09, title = {The Black-and-White Coloring Problem on Trees}, author = {Daniel Berend and Shira Zucker}, year = {2009}, url = {http://jgaa.info/accepted/2009/BerendZucker2009.13.2.pdf}, researchr = {https://researchr.org/publication/BerendZ09}, cites = {0}, citedby = {0}, journal = {J. Graph Algorithms Appl.}, volume = {13}, number = {2}, pages = {133-152}, }