TY - JOUR AU - Ilija Lazarević AU - Alexandru Lupas TI - Approximation Properties Of A Sequence Of Linear Positive Operators JO - Publications de l'Institut Mathématique PY - 1975 SP - 89 VL - _N_S_19 IS - 33 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PIM_1975_N_S_19_33_a15/ ID - PIM_1975_N_S_19_33_a15 ER -