ALEŠKEVIČIENĖ, A. Asymptotic expansions for a natural generalization of the classical renewal theory. Lithuanian Mathematical Journal, [S. l.], v. 12, n. 1, p. 5–21, 1972. DOI: 10.15388/LMJ.1972.21076. Disponível em: https://journals.vu.lt./LMJ/article/view/21076. Acesso em: 26 apr. 2025.