%0 Journal Article %A A. V. Ivanov %T On Gustafson integrals for the group $\mathrm{SL}(2,\mathbb{R})$ %J Zapiski Nauchnykh Seminarov POMI %D 2021 %P 113-122 %V 509 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2021_509_a7/ %G ru %F ZNSL_2021_509_a7