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Discussiones Mathematicae Graph Theory > 2017 > 37 > 3 > 745-754
Discussiones Mathematicae Graph Theory > 2015 > 35 > 3 > 447-462
Discussiones Mathematicae Graph Theory > 2017 > 37 > 3 > 745-754
Discussiones Mathematicae Graph Theory > 2015 > 35 > 3 > 447-462