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@article{MV_1968_20_2_a11, author = {C. M. Patel}, title = {On the {Euler} means of orthogonal series}, journal = {Matemati\v{c}ki vesnik}, pages = {217 }, publisher = {mathdoc}, volume = {20}, number = {2}, year = {1968}, url = {http://geodesic.mathdoc.fr/item/MV_1968_20_2_a11/} }
C. M. Patel. On the Euler means of orthogonal series. Matematički vesnik, Tome 20 (1968) no. 2, p. 217 . http://geodesic.mathdoc.fr/item/MV_1968_20_2_a11/