@article{10_4064_sm146_2_2,
     author = {Loukas Grafakos and Nigel J. Kalton},
     title = {The {Marcinkiewicz} multiplier condition for
bilinear operators},
     journal = {Studia Mathematica},
     pages = {115--156},
     year = {2001},
     volume = {146},
     number = {2},
     doi = {10.4064/sm146-2-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm146-2-2/}
}