Rotkiewicz A. On Lucas numbers, Lucas pseudoprimes and a numbertheoretical series involving Lucas pseudoprimes and Carmichael numbers. Ann. Math. Sil. [Internet]. 2007 Sep. 28 [cited 2025 May 7];21:49-60. Available from: https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/14063