A. Baker, On some Diophantine inequalities involving primes, J.Reine Angew. Math, vol.228, pp.166-181, 1967.

R. P. Bambah, th POWER, The Quarterly Journal of Mathematics, vol.5, issue.1, pp.191-202, 1954.
DOI : 10.1093/qmath/5.1.191

S. D. Sdc-]-chowla, A theorem on irrational indefinite quadratic forms, J.London Math. Soc, vol.9, pp.162-163, 1934.

. Hd, H. Davenport, and H. Heilbronn, On indefinite quadratic forms in five variables, J. London Math. Soc, vol.21, pp.185-193, 1946.

. Vj, V. Jarnik, and A. Walfisz, Uber Gitterpunkte m mehrdimensionalen Ellipsoiden, Math. Zeitschrift, vol.32, pp.152-160, 1930.

G. A. Gam-]-margulis, Indefinite quadratic forms and unipotent flows on homogeneous spaces, C. R. Acad. Sci. Paris. Ser. I Math, vol.304, issue.10, pp.249-253, 1987.

H. L. Montgomery, Topics in multiplicative number theory, 1971.
DOI : 10.1007/BFb0060851

K. Kri-]-ramachandra, On the sums E1=l >.ifi(Pi)· J. Reine Angew, Math, vol.262, pp.263-158, 1973.

[. Ramanna, Flavours of Fundamental Particles and Prime Numbers, Current Science, vol.75, issue.3, pp.183-186, 1998.

[. Rr, R. As-]-ramanna, and A. Sharma, The systematics of fundamental particles and unstable nuclear systems using the concept of continuity and discreteness, Current Science, vol.73, issue.12, pp.1083-1097, 1997.

. Rr, B. V. Bvsj-raja-ramanna, and . Sreekantan, On the correlations of masses and lifetimes of radionuclides and fundamental particles, Mod, Phy. Letters, vol.7, pp.41-753, 1995.

W. Schwarz, Uber die Losbarkeit gewisser Ungleichungen durch Primzahlen, J. Reine Angew. Math, vol.212, pp.15-157, 1963.

S. Ss-]-srinivasan, A diophantine inequality with prime variables, Bulletin of the Australian Mathematical Society, vol.18, issue.01, pp.57-66, 1988.
DOI : 10.1093/qmath/5.1.191

R. C. Vaughan, Diophantine Approximation by Prime Numbers, I, Proc. London Math. Soc. (3), pp.373-384, 1974.
DOI : 10.1112/plms/s3-28.2.373

I. M. Vinogradov, The method of trigonometrical sums in the theory of numbers, 1954.