Varma Arun Kumar: Some inequalities of trigonometric polynomials having all zeros inside [0,27r). In: Acta scientiarum mathematicarum, (60) 3-4. pp. 735-746. (1995)
Varma Arun Kumar: Birkhoff quadrature formulas based on Tchebycheff nodes. In: Acta scientiarum mathematicarum, (50) 3-4. pp. 381-390. (1986)
Varma Arun Kumar: Inequalities for polynomials and their derivatives. In: Acta scientiarum mathematicarum, (29) 1-2. pp. 137-146. (1968)