@article{1183425652, author = {Gronwall, T. H.}, title = {On the Fourier coefficients of a continuous function}, journal = {Bull. Amer. Math. Soc.}, volume = {27}, number = {9-10}, year = {1921}, pages = { 320-321}, language = {en}, url = {http://dml.mathdoc.fr/item/1183425652} }
Gronwall, T. H. On the Fourier coefficients of a continuous function. Bull. Amer. Math. Soc., Tome 27 (1921) no. 9-10, pp. 320-321. http://gdmltest.u-ga.fr/item/1183425652/