1. On the set of Wieferich primes and of its complement;De Koninck;Ann. Univ. Sci. Budapest. Sect. Comput.,2007
2. Problems in Analytic Number Theory;Ram Murty,2008
3. The nth prime is greater than nlog(n);Rosser;Proc. London Math. Soc.,1938
4. Wieferichʼs criterion and the abc-conjecture;Silverman;J. Number Theory,1988
5. The least prime congruent to one modulo n;Thangadurai;Amer. Math. Monthly,2011