WU, Hui. The Sturm Liouville Problems with a random variable in Boundary Conditions. International Journal for Innovation Education and Research, Dhaka, Bangladesh, v. 5, n. 2, p. 70–74, 2017. DOI: 10.31686/ijier.vol5.iss2.620. Disponível em: https://scholarsjournal.net/index.php/ijier/article/view/620.. Acesso em: 18 may. 2024.