1. M.A. Bennett, F. Luca and J. Mulholland. Twisted extensions of the cubic case of Fermat’s last theorem. Ann. Sci. Math. Québec, 35 (2011), 1–15.
2. F. Cohen and J.L. Selfridge. Not every number is the sum or difference of two prime powers. Collection of articles dedicated to Derrick Henry Lehmer on the occasion of his seventieth birthday. Math. Comp., 29 (1975), 79–81.
3. J.G. van der Corput. On de Polignac’s conjecture, (Dutch) Simon Stevin, 27 (1950), 99–105.
4. P. Erdös. On integers of the form 2 k+ p and some related problems. Summa Brasil. Math., 2 (1950), 113–123.
5. J.-H. Evertse. An improvement of the quantitative Subspace theorem. Compositio Math., 101 (1996), 225–311.