TY - JOUR AU - Dan Barbosu TI - Simultaneous Approximation by Bivariate Schurer-Stancu Type Operators JO - Mathematica balkanica PY - 2006 SP - 351 VL - 20 IS - 3-4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MABA_2006_20_3-4_a7/ ID - MABA_2006_20_3-4_a7 ER -