1. C. Adiga, B.C. Berndt, S. Bhargava, G.N. Watson, Chapter 16 of Ramanujan’s Second Notebook: Theta Functions and q-Series, Memoirs of the American Mathematical Society, 53(1985), no. 315.
2. G.A. Baker, Essentials of Padé Approximants, Academic Press, 1975.
3. G.A. Baker, J.L. Gammel and J.G. Wills, An Investigation of the Applicability of the Padé Approximant Method, J. Math. Anal. Applns., 2 (1961), 405–418.
4. G.A. Baker and P.R. Graves-Morris, Convergence of Rows of the Padé Table, J. Math. Anal. Applns., 57 (1977), 323–339.
5. G.A. Baker and P.R. Graves-Morris, Padé Approximants, 2nd Edn., Encyclopaedia of Mathematics and its Applications, Vol. 59, Cambridge University Press, Cambridge, 1996.