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@article{DBLP:journals/appml/ShaoY07,
author = {Zhendong Shao and
Roger K. Yeh},
title = {The {\it }(2, 1)-labeling on planar graphs},
journal = {Appl. Math. Lett.},
volume = {20},
number = {2},
year = {2007},
pages = {222-226},
ee = {http://dx.doi.org/10.1016/j.aml.2006.02.033},
bibsource = {DBLP, http://dblp.uni-trier.de}
}
Copyright © 2006-11-23 by Michael Ley (ley@uni-trier.de)