%0 Journal Article %A Ouanes, Mohand %A Chebbah, Mohammed %A Zidna, Ahmed %T Combination of two underestimators for univariate global optimization %J RAIRO - Operations Research - Recherche Opérationnelle %D 2018 %P 177-186 %V 52 %N 1 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/ro/2018013/ %R 10.1051/ro/2018013 %G en %F RO_2018__52_1_177_0