Some results on the b-chromatic number in complementary prism graphs Amel Bendali-Braham, Noureddine Ikhlef-Eschouf and Mostafa Blidia RAIRO-Oper. Res., 53 4 (2019) 1187-1195 Published online: 29 July 2019 DOI: 10.1051/ro/2018054