%0 Journal Article %A Bereanu, Bernard %T Quasi-convexity, strictly quasi-convexity and pseudo-convexity of composite objective functions %J ESAIM: Mathematical Modelling and Numerical Analysis %D 1972 %P 15-26 %V 6 %N R1 %I Dunod %C Paris %U http://geodesic.mathdoc.fr/item/M2AN_1972__6_1_15_0/ %G en %F M2AN_1972__6_1_15_0