@article{106990, author = {S. M. Mazhar}, title = {A generalization of Riesz-Fischer theorem}, journal = {Archivum Mathematicum}, volume = {014}, year = {1978}, pages = {51-53}, zbl = {0403.42022}, mrnumber = {512744}, language = {en}, url = {http://dml.mathdoc.fr/item/106990} }
Mazhar, S. M. A generalization of Riesz-Fischer theorem. Archivum Mathematicum, Tome 014 (1978) pp. 51-53. http://gdmltest.u-ga.fr/item/106990/
A generalization of the Riesz-Fischer theorem, Mat. Zam., 12 (1972), 365-372. (1972) | MR 0318762
Trigonometric Series, Vol. I, Cambridge Univ. Press (1959), p. 23. (1959) | MR 0107776 | Zbl 0085.05601