%0 Journal Article %A A. I. Nizhnikov %A I. A. Shilin %T On two formulas for Macdonald functions and their group-theoretical sense %J Čebyševskij sbornik %D 2021 %P 225-233 %V 22 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHEB_2021_22_1_a16/ %G ru %F CHEB_2021_22_1_a16