@article{PMATES_2004__48_1_41495, author = {Pascal Auscher}, title = {On {Lp} estimates for square roots of second order elliptic operators on {Rn.}}, journal = {Publicacions Matem\`atiques}, pages = {159-186}, volume = {48}, number = {1}, year = {2004}, zbl = {an:1107.42003}, language = {en}, url = {https://geodesic-test.mathdoc.fr/item/PMATES_2004__48_1_41495/} }