@article{ASENS_2004_4_37_6_911_0,
     author = {Auscher, Pascal and Coulhon, Thierry and Duong, Xuan Thinh and Hofmann, Steve},
     title = {Riesz transform on manifolds and heat kernel regularity},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {911--957},
     publisher = {Elsevier},
     volume = {Ser. 4, 37},
     number = {6},
     year = {2004},
     doi = {10.1016/j.ansens.2004.10.003},
     mrnumber = {2119242},
     zbl = {1086.58013},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1016/j.ansens.2004.10.003/}
}