@article{AIF_2005__55_1_173_0,
     author = {Shen, Zhongwei},
     title = {Bounds of {Riesz} {Transforms} on $L^p$ {Spaces} for {Second} {Order} {Elliptic} {Operators}},
     journal = {Annales de l'Institut Fourier},
     pages = {173--197},
     publisher = {Association des Annales de l{\textquoteright}institut Fourier},
     volume = {55},
     number = {1},
     year = {2005},
     doi = {10.5802/aif.2094},
     mrnumber = {2141694},
     zbl = {1068.47058},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/aif.2094/}
}