TY - JOUR AU - Nikolić-Despotović Danica TI - On the convergence of the series of rational operators JO - Novi Sad Journal of Mathematics PY - 1977 SP - 29 EP - 35 VL - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NSJOM_1977_7_Nonea_4/ ID - NSJOM_1977_7_Nonea_4 ER -