@article{JSFU_2020_13_4_a1,
     author = {Kirill A. Kirillov},
     title = {On error estimates in $S_p$ for cubature formulas exact for {Haar} polynomials},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {398--413},
     publisher = {mathdoc},
     volume = {13},
     number = {4},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2020_13_4_a1/}
}