DAGIENĖ, E. On nonextendibility of series Dirichlet. Lithuanian Mathematical Journal, [S. l.], v. 8, n. 4, p. 739–746, 1968. DOI: 10.15388/LMJ.1968.20606. Disponível em: https://www.journals.vu.lt/LMJ/article/view/20606.. Acesso em: 1 may. 2024.