MARINOV, A.; JELIAZKOV, J.; IGNATOV, T. About the first crossing of the Poisson process with a curved upper boundary. Ann. Sofia Univ. Fac. Math. and Inf., [S. l.], v. 91, p. 97–105, 1999. Disponível em: https://annual.uni-sofia.bg/index.php/fmi/article/view/272. Acesso em: 22 nov. 2024.