On the mean values of integral functions and their derivatives represented by Dirichlet series Satya Narain Srivastava — 1968 Compositio Mathematica
On the mean values of an integral function of two complex variables Satya Narain Srivastava — 1968 Annales Polonici Mathematici
On the mean values of integral functions represented by Dirichlet series Satya Narain Srivastava — 1967 Compositio Mathematica