LENYUK, M. P.; OLEINIK, N. P. On a class of hybrid integral transformations (Bessel-Fourier-Bessel-...-Fourier-Bessel) on the polar axis with $2n$ junction points. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 45, n. 8, p. 1096–1103, 1993. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5905. Acesso em: 5 dec. 2025.