TY - JOUR AU - Eugeniusz Wachnicki TI - Approximation by bivariate Mazhar-Totik operators JO - Commentationes Mathematicae PY - 2010 VL - 50 IS - 2 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/COMA_2010__50_2_292218/ LA - en ID - COMA_2010__50_2_292218 ER -