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Discussiones Mathematicae Graph Theory > 2016 > 36 > 1 > 103-116
Discussiones Mathematicae Graph Theory > 2013 > 33 > 3 > 493-507
Discussiones Mathematicae Graph Theory > 2016 > 36 > 1 > 103-116
Discussiones Mathematicae Graph Theory > 2013 > 33 > 3 > 493-507