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August 11, 2020 article Aachen paper

An Upper Bound on the Double Roman Domination Number

Bulletin of the Iranian Mathematical Society., vol. 47, pp. 1315–1323

DOI: 10.1007/s41980-020-00442-1 OpenAlex

Authors 2

  1. Lyes Ouldrabah corresponding

    University Yahia Fares of Medea

    Affiliation as printed

    Department of Mathematics, University of Médéa, Médéa, Algeria

  2. Lutz Volkmann Aachen Lehrstuhl II für Mathematik

    RWTH Aachen University

    Affiliation as printed

    Lehrstuhl II für Mathematik, RWTH Aachen University, 52056, Aachen, Germany

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References 18

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