@article{01419957, title = {Singular and maximal Radon transforms: Analysis and geometry.}, journal = {Annals of Mathematics. Second Series}, volume = {150}, year = {1999}, pages = {489-577}, doi = {10.2307/121088}, zbl = {0960.44001}, language = {en}, url = {http://dml.mathdoc.fr/item/01419957} }
Christ, Michael; Nagel, Alexander; Stein, Elias M.; Wainger, Stephen. Singular and maximal Radon transforms: Analysis and geometry.. Annals of Mathematics. Second Series, Tome 150 (1999) pp. 489-577. doi : 10.2307/121088. http://gdmltest.u-ga.fr/item/01419957/