@article{10_4064_sm147_1_1,
     author = {Atanas Stefanov},
     title = {Weak type estimates for {certain
Calder\'on{\textendash}Zygmund} singular integral operators},
     journal = {Studia Mathematica},
     pages = {1--13},
     publisher = {mathdoc},
     volume = {147},
     number = {1},
     year = {2001},
     doi = {10.4064/sm147-1-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm147-1-1/}
}