1. Hardy, G.H.Ramanujan, Cambridge, 1940, Lecture X, pp. 165–69.
2. Hansraj GuptaAbstracts of Papers presented to the thirteenth Conference of Ind. Math. Soc., 1943, p. 6.
3. Ramanathan, K.G.Ibid., Abstracts of Papers presented to the Thirteenth Conference of Ind. Math. Soc., 1943, p. 6.