Arithmetic-geometric-harmonic mean of three positive operators. Raïssouli, Mustapha; Leazizi, Fatima; Chergui, Mohamed — 2009 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
An exact method for a discrete multiobjective linear fractional optimization. Chergui, Mohamed El-Amine; Moulaï, Mustapha — 2008 Journal of Applied Mathematics and Decision Sciences