@article{JFAA_1997__3_6_59534,
     author = {Carlos P\'erez},
     title = {Sharp {Estimates} for {Commutators} of {Singular} {Integrals} via {Iterations} of the {Hardy-Littlewood} {Maximal} {Function.}},
     journal = {The journal of Fourier analysis and applications [[Elektronische Ressource]]},
     pages = {743--756},
     publisher = {mathdoc},
     volume = {3},
     number = {6},
     year = {1997},
     zbl = {0894.42006},
     url = {http://geodesic.mathdoc.fr/item/JFAA_1997__3_6_59534/}
}