@article{SM_2021_212_6_a2,
     author = {P. Oswald},
     title = {Multivariate {Haar} systems in {Besov} function spaces},
     journal = {Sbornik. Mathematics},
     pages = {810--842},
     publisher = {mathdoc},
     volume = {212},
     number = {6},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2021_212_6_a2/}
}