VYNNYTS’KYI, B. V.; KHATS’, R. V. On the Completeness and Minimality of Sets of Bessel Functions in Weighted \( L^2 \)-Spaces. Eurasian Mathematical Journal, [S. l.], v. 6, n. 1, p. 123–131, 2015. Disponível em: https://emj.enu.kz/index.php/main/article/view/603. Acesso em: 9 oct. 2025.