@article{10_4064_sm221_3_3,
     author = {Dmitry V. Rutsky},
     title = {${\rm A}_{1}$-regularity and boundedness
 of {Calder\'on{\textendash}Zygmund} operators},
     journal = {Studia Mathematica},
     pages = {231--247},
     publisher = {mathdoc},
     volume = {221},
     number = {3},
     year = {2014},
     doi = {10.4064/sm221-3-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm221-3-3/}
}