ERDÖS, P.; NEVEU, J.; RENYI, A. An Elementary Inequality Between the Probabilities of Events. MATHEMATICA SCANDINAVICA, [S. l.], v. 13, p. 99–104, 1963. DOI: 10.7146/math.scand.a-10692. Disponível em: https://www.mscand.dk/article/view/10692. Acesso em: 28 apr. 2024.