BEKKER, M. B. On one integral representation of the Hermitian positive matrix kernels of special structure. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 40, n. 5, p. 626–628, 1988. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/8811. Acesso em: 5 dec. 2025.