Lyes Ouldrabah

An Upper Bound on the Double Roman Domination Number

L. Volkmann, Lyes Ouldrabah, 2020, Bulletin of the Iranian Mathematical Society.

Extremal Digraphs for an Upper Bound on the Double Roman Domination Number

L. Volkmann, Mostafa Blidia, Lyes Ouldrabah, 2020, Bulletin of the Malaysian Mathematical Sciences Society.

On the k-domination number of digraphs

Mostafa Blidia, Ahmed Bouchou, Lyes Ouldrabah, 2019, J. Comb. Optim..

On the k-domination number of digraphs

Mostafa Blidia, Lyes Ouldrabah, Ahmed Bouchou, 2019, Journal of Combinatorial Optimization.