%0 Journal Article %A Kirill A. Kirillov %T On error estimates in $S_p$ for cubature formulas exact for Haar polynomials %J Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika %D 2020 %P 398-413 %V 13 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/JSFU_2020_13_4_a1/ %G en %F JSFU_2020_13_4_a1