TY - JOUR AU - Govil, Narendra K. TI - On the Strong Summability by Triangular Means of the Derived Fourier Series and its Conjugate Series JO - Canadian mathematical bulletin PY - 1966 SP - 647 EP - 654 VL - 9 IS - 5 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1966-078-2/ DO - 10.4153/CMB-1966-078-2 ID - 10_4153_CMB_1966_078_2 ER -