TY - JOUR AU - Z. Walczak TI - On modified Szasz-Mirakyan operators JO - Novi Sad Journal of Mathematics PY - 2003 SP - 93 EP - 107 VL - 33 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NSJOM_2003_33_1a_7/ ID - NSJOM_2003_33_1a_7 ER -