1. Some classes of completely monotonic functions;Alzer;Ann. Acad. Sci. Fenn.,2002
2. Some classes of completely monotonic functions, II;Alzer;Ramanujan J.,2006
3. On some theorems of Ramanujan;Auluck;Proc. Indian Acad. Sci. A,1940
4. The problems submitted by Ramanujan to the Journal of the Indian Mathematical Society;Berndt,1999
5. Sur un théorème de M.S. Bernstein relatif à la transformation de Laplace-Stieltjes;Dubourdieu;Compos. Math.,1939