%0 Journal Article %A Evgeny D. Leinartas %A Evgeny K. Leinartas %T Difference equations and Hadamard composition of multiple power series %J Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika %D 2024 %P 169-174 %V 17 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JSFU_2024_17_2_a2/ %G en %F JSFU_2024_17_2_a2