%0 Journal Article %A D. V. Millionshchikov %A S. V. Smirnov %T Characteristic algebras and integrable exponential systems %J Ufa mathematical journal %D 2021 %P 41-69 %V 13 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/UFA_2021_13_2_a5/ %G en %F UFA_2021_13_2_a5