On the functional equation of the secondary zeta-functions. (Short Communication). I.C. Chakravartty — 1975 Aequationes mathematicae
A Proof of the Prime Number Summation Formula Without Assuming the Riemann Hypothesis. I.C. Chakravartty — 1970 Aequationes mathematicae
On the functional equation of the secondary zeta-functions. I.C. Chakravartty — 1976 Aequationes mathematicae
A Proof of the Prime Number Summation Formula Without Assuming the Riemann Hypothesis. (Short Communication). I.C. Chakravartty — 1970 Aequationes mathematicae