Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1999_66_3_a0, author = {A. V. Andrianov}, title = {Approximation of $MH_q^r$-class functions by {Haar} polynomials}, journal = {Matemati\v{c}eskie zametki}, pages = {323--335}, publisher = {mathdoc}, volume = {66}, number = {3}, year = {1999}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1999_66_3_a0/} }
A. V. Andrianov. Approximation of $MH_q^r$-class functions by Haar polynomials. Matematičeskie zametki, Tome 66 (1999) no. 3, pp. 323-335. http://geodesic.mathdoc.fr/item/MZM_1999_66_3_a0/