%0 Journal Article %A F. N. Garif'yanov %A E. V. Strezhneva %T Sum-difference equation for analytic functions, generated by a hexagon, and its applications %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2020 %P 56-62 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2020_7_a5/ %G ru %F IVM_2020_7_a5