%0 Journal Article %A Osama Alabdali %A Allal Guessab %T Optimal estimates of approximation errors for strongly positive linear operators on convex polytopes %J Filomat %D 2022 %P 695 %V 36 %N 2 %U http://geodesic.mathdoc.fr/articles/10.2298/FIL2202695A/ %R 10.2298/FIL2202695A %G en %F 10_2298_FIL2202695A