@article{FORUM_1997__9_2_141804, author = {William Beckner}, title = {Logarithmic {Sobolev} inequalitites and the existence of singular integrals.}, journal = {Forum mathematicum}, pages = {303--324}, publisher = {mathdoc}, volume = {9}, number = {2}, year = {1997}, zbl = {0945.42006}, url = {http://geodesic.mathdoc.fr/item/FORUM_1997__9_2_141804/} }