KULINICH , G. L.; MYNBAEVA , M. M. Space averaging in parabolic equations . Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 44, n. 4, p. 561–564, 1992. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/7901. Acesso em: 5 dec. 2025.