@article{ZVMMF_2009_49_1_a0, author = {K. A. Kirillov and M. V. Noskov}, title = {Error estimates in $S_p$ for cubature formulas exact for {Haar} polynomials in the two-dimensional case}, journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki}, pages = {3--13}, publisher = {mathdoc}, volume = {49}, number = {1}, year = {2009}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/ZVMMF_2009_49_1_a0/} }