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@article{MV_1973_25_1_a40, author = {R. K. Patel}, title = {On strong {Euler} summability of orthogonal series}, journal = {Matemati\v{c}ki vesnik}, pages = {319 }, publisher = {mathdoc}, volume = {25}, number = {1}, year = {1973}, url = {http://geodesic.mathdoc.fr/item/MV_1973_25_1_a40/} }
R. K. Patel. On strong Euler summability of orthogonal series. Matematički vesnik, Tome 25 (1973) no. 1, p. 319 . http://geodesic.mathdoc.fr/item/MV_1973_25_1_a40/