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Discussiones Mathematicae Graph Theory > 2013 > 33 > 1 > 139-146
Journal of Combinatorial Optimization > 2011 > 22 > 2 > 217-234
Discrete Applied Mathematics > 2010 > 158 > 15 > 1615-1623
Open Mathematics > 2010 > 8 > 3 > 459-467
Central European Journal of Mathematics > 2010 > 8 > 3 > 459-467
Discussiones Mathematicae Graph Theory > 2010 > 30 > 4 > 563-574