G. H. Hardy and E. M. Wright, Introduction to the theory of number.f, 1954.

G. H. Hardy, RAMANUJAN, twelve lectures on subjects suggested by his life and work, 1940.

A. O. Atkin, Proof of a conjecture of Ramanujan, Glasgow Math, J, vol.8, pp.14-32, 1967.

. Chen-jing-run, The exceptional set of Goldbach-numbers (II), Scientia Sinica, vol.26, pp.714-731, 1983.

J. Larry and A. Goldberg, Transformations of theta-functions and analogues of Dedekind sums, pp.1-125, 1981.

A. A. Karatsuba, ON THE FUNCTION $ G(n)$ IN WARING'S PROBLEM, Mathematics of the USSR-Izvestiya, vol.27, issue.2, pp.239-249, 1985.
DOI : 10.1070/IM1986v027n02ABEH001176

J. D. Lehmer, The vanishing of Ramanujan's function r(n), Duke Math, J, vol.14, pp.429-433, 1947.

K. Mahler, On the fractional parts of the powers of a rational number -II Mathernatika, pp.122-124, 1957.

H. L. Montgomery and R. C. Vaughan, The exceptional .7et of Goldbach's problem, Acta Arith, pp.27-353, 1975.

V. and K. Murty, Fourier coefficients of modular forms, Number theory, proceedings, Lecture notes in Mathematics, Springer· \'erlag 1122, pp.163-172, 1984.

M. R. Murty, Some ??-results for Ramanujan???s ??-function, Lecture notes in Mathematics, vol.203, pp.123-137, 1981.
DOI : 10.1007/BF01629259

M. , R. Murty, and V. Kumar-murty, Prime divisors of Fourier coefficients of modular forms, Duke Math, J, vol.51, pp.57-76, 1984.

J. Serre, Divisibilite de certaines fonctions arithmetiques, Serninaire Delange-Pisot-Poitou, 16 anee (1974-75) Theorie des nombres, Fal!c 1, Expose no, 1975.

J. Serre, Divisibilite de certains fonctions arithmetiques, L'Ens, Math, vol.22, pp.227-260, 1976.

J. I. Vinogradov, On the question of an upper bound for G(n), lzv. Aka.d, Nauk SSSR Ser Mat, vol.23, pp.637-642, 1959.

A. Of and K. Professor, Rarnachandra School of Mathematics Tata Institute of Fundan1ental Research Homi Bhabha Road