On the strong summability of the derived Fourier series and its conjugate series. B.N. Prasad; U.N. Singh — 1952 Mathematische Zeitschrift
Corrigenda and Addenda. On the strong summability of the derived Fourier series and ist conjugate series. Math. Zeitschr. Vol. 56, pp. 280-288. B.N. Prasad; U.N. Singh Mathematische Zeitschrift