@article {1901.09117, archivePrefix = {arXiv}, eprint = {1901.09117}, primaryClass = {math.CA}, author = {Gustavo Garrigós and Andreas Seeger and Tino Ullrich}, title = {Basis properties of the Haar system in limiting Besov spaces}, year = {2019}, url = {http://arxiv.org/abs/1901.09117} }