We prove weak type (1,1) estimates for a special class of Calderón-Zygmund homogeneous kernels represented as l¹ sums of "equidistributed" H¹ atoms on 𝕊¹.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-sm147-1-1, author = {Atanas Stefanov}, title = {Weak type estimates for certain Calder\'on-Zygmund singular integral operators}, journal = {Studia Mathematica}, volume = {147}, year = {2001}, pages = {1-13}, zbl = {0987.42018}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm147-1-1} }
Atanas Stefanov. Weak type estimates for certain Calderón-Zygmund singular integral operators. Studia Mathematica, Tome 147 (2001) pp. 1-13. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm147-1-1/