Roman domination in oriented trees

by Ouldrabah, Lyes; Department of Mathematics, University of Blida 1. B.P. 270, Blida, Algeria, Blidia, Mostafa; Department of Mathematics, University of Blida 1. B.P. 270, Blida, Algeria, Bouchou, Ahmed; Department of Mathematics, University of Medea, Algeria
Published 2021