@article{BSMF_2004__132_1_137_0,
     author = {Le Merdy, Christian},
     title = {On square functions associated to sectorial operators},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {137--156},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {132},
     number = {1},
     year = {2004},
     doi = {10.24033/bsmf.2462},
     zbl = {1066.47013},
     language = {en},
     url = {http://www.numdam.org/articles/10.24033/bsmf.2462/}
}