KONDRATIEV, Yu. G.; KOCHUBEI, A. N. Fractional contact model in the continuum. Methods of Functional Analysis and Topology, [S. l.], v. 21, n. 2, p. 179–187, 2015. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/610. Acesso em: 16 dec. 2025.