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Discussiones Mathematicae Graph Theory > 2017 > 38 > 1 > 245-261
Discussiones Mathematicae Graph Theory > 2017 > 37 > 3 > 623-632
Discussiones Mathematicae Graph Theory > 2017 > 38 > 1 > 245-261
Discussiones Mathematicae Graph Theory > 2017 > 37 > 3 > 623-632