%0 Journal Article %A Tadeusz Radzik %T Poorly convex functions and their application to an optimization problem %J Applicationes Mathematicae %D 2020 %P 1-27 %V 47 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am2389-10-2019/ %R 10.4064/am2389-10-2019 %G en %F 10_4064_am2389_10_2019