%0 Journal Article %A Eugeniusz Wachnicki %T Approximation by bivariate Mazhar-Totik operators %J Commentationes Mathematicae %D 2010 %V 50 %N 2 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/COMA_2010__50_2_292218/ %G en %F COMA_2010__50_2_292218