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Discussiones Mathematicae Graph Theory > 2015 > 35 > 4 > 715-731
Discussiones Mathematicae Graph Theory > 2005 > 25 > 3 > 325-329
Discussiones Mathematicae Graph Theory > 1998 > 18 > 2 > 225-232
Discussiones Mathematicae Graph Theory > 2015 > 35 > 4 > 715-731
Discussiones Mathematicae Graph Theory > 2005 > 25 > 3 > 325-329
Discussiones Mathematicae Graph Theory > 1998 > 18 > 2 > 225-232