Investigation of Laplace-Stieltjes transform for the ergodic distribution of the semi-markov random process with positive tendency, negative jumps and delaying boundary at zero. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 6, n. 3, p. 999–1007, 2014. DOI: 10.24297/jam.v6i3.7242. Disponível em: https://www.rajpub.com/index.php/jam/article/view/7242. Acesso em: 19 jun. 2026.