@article{CRMATH_2007__344_2_103_0,
     author = {Auscher, Pascal and McIntosh, Alan and Russ, Emmanuel},
     title = {Hardy spaces of differential forms and {Riesz} transforms on {Riemannian} manifolds},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {103--108},
     publisher = {Elsevier},
     volume = {344},
     number = {2},
     year = {2007},
     doi = {10.1016/j.crma.2006.11.023},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2006.11.023/}
}