TY - JOUR AU - D. L. Rogava TI - Approximation of Operator Semigroups Using Linear-Fractional Operator Functions and Weighted Averages JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 2022 SP - 47 EP - 63 VL - 56 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_2022_56_2_a4/ LA - ru ID - FAA_2022_56_2_a4 ER -