Bezoui, MadaniMoulai, MustaphaBounceur, Ahcène2018-02-082018-02-082016https://dspace.univ-boumerdes.dz/handle/123456789/4454enCardinalityBi-objective programmingMixed integer pro-grammingExact methodSteepest methodNadir pointExploration strategyExact method for solving bi-objective cardinality constrained portfolio selection problemOther