@article{1028999598, author = {Hedstrom, G. W.}, title = {Norms of powers of absolutely convergent Fourier series.}, journal = {Michigan Math. J.}, volume = {13}, number = {1}, year = {1966}, pages = { 393-416}, language = {en}, url = {http://dml.mathdoc.fr/item/1028999598} }
Hedstrom, G. W. Norms of powers of absolutely convergent Fourier series.. Michigan Math. J., Tome 13 (1966) no. 1, pp. 393-416. http://gdmltest.u-ga.fr/item/1028999598/