%0 Journal Article %A Daniela Marian %T Roughly d-Convex Functions on Undirected Tree Networks %J Mathematica Moravica %D 2001 %P 95 - 101 %V 5 %N 1 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/MM3_2001_5_1_a4/ %F MM3_2001_5_1_a4