1. There are infinitely many Carmichael numbers;Alford;Ann. of Math.,1994
2. Number Theory. Structures, Examples, and Problems;Andreescu,2009
3. On Fibonacci powers;Andrejic;Univ. Beogr. Publ. Elektrotehn. Fak. Ser. Mat.,2006
4. D. Andrica, O. Bagdasar, Weak pseudoprimality associated with the generalized Lucas sequences (submitted).
5. D. Andrica, O. Bagdasar, On generalized Lucas pseudoprimality of level k (submitted).