KOVALEVSKII, A. A. On the convergence of functions from a Sobolev space satisfying special integral estimates. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 58, n. 2, p. 168–183, 2006. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3445. Acesso em: 5 dec. 2025.