SPRINDZUK, V. G. On K. Mahler’s conjecture on the measure of the set of S-numbers. Lithuanian Mathematical Journal, [S. l.], v. 2, n. 2, p. 221–226, 1962. DOI: 10.15388/LMJ.1962.19356. Disponível em: https://www.journals.vu.lt/LMJ/article/view/19356.. Acesso em: 5 may. 2024.