On a method of Balasubramanian and Ramachandra (on the abelian group problem) A. Sankaranarayanan; K. Srinivas — 1997 Rendiconti del Seminario Matematico della Università di Padova
Problems and results on αp - βq K. Ramachandra; A. Sankaranarayanan; K. Srinivas — 1996 Acta Arithmetica
Addendum to Ramachandra's paper "Some problems of analytic number theory, I" K. Ramachandra; A. Sankaranarayanan; K. Srinivas — 1995 Acta Arithmetica