@article{urn:eudml:doc:41488, title = {Lp bounds for Riesz transforms and square roots associated to second order elliptic operators.}, journal = {Publicacions Matem\`atiques}, volume = {47}, year = {2003}, pages = {497-515}, zbl = {1074.35031}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:41488} }
Hofmann, Steve; Martell, José María. Lp bounds for Riesz transforms and square roots associated to second order elliptic operators.. Publicacions Matemàtiques, Tome 47 (2003) pp. 497-515. http://gdmltest.u-ga.fr/item/urn:eudml:doc:41488/