@article{JSFU_2011_4_4_a5,
     author = {Kirill A. Kirillov},
     title = {Estimates for the norm of the error functional of quadrature formulas exact for {Haar} polynomials},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {479--488},
     publisher = {mathdoc},
     volume = {4},
     number = {4},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2011_4_4_a5/}
}