%0 Journal Article %A D. L. Rogava %T Approximation of Operator Semigroups Using Linear-Fractional Operator Functions and Weighted Averages %J Funkcionalʹnyj analiz i ego priloženiâ %D 2022 %P 47-63 %V 56 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_2022_56_2_a4/ %G ru %F FAA_2022_56_2_a4