%0 Journal Article %A Walerian Dubnicki %A Krystian Zorychta %T Quasiconvex and pseudoconvex functions in nonlinear programming %J Mathematica Applicanda %D 1987 %P 5-23 %V 15 %N 29 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/ma.v15i29.1686/ %R 10.14708/ma.v15i29.1686 %G pl %F 10_14708_ma_v15i29_1686