POPOV, G. Ya. New Integral Transformations and Their Applications to Some Boundary-Value Problems of Mathematical Physics. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 54, n. 12, p. 1642–1652, 2002. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4203. Acesso em: 6 dec. 2025.