@article{10_2298_FIL2202695A, author = {Osama Alabdali and Allal Guessab}, title = {Optimal estimates of approximation errors for strongly positive linear operators on convex polytopes}, journal = {Filomat}, pages = {695 }, year = {2022}, volume = {36}, number = {2}, doi = {10.2298/FIL2202695A}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2202695A/} }