@article{MAN_1979__241_163254,
     author = {Michael Cowling},
     title = {An {Application} of {Littlewood-Paley} {Theory} in {Harmonie} {Analysis.}},
     journal = {Mathematische Annalen},
     pages = {83--96},
     publisher = {mathdoc},
     volume = {241},
     year = {1979},
     zbl = {0399.43004},
     url = {http://geodesic.mathdoc.fr/item/MAN_1979__241_163254/}
}