MAIMESKUL, V. V. Quasianalytic classes of functions on a plane. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 45, n. 7, p. 982–991, 1993. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5892. Acesso em: 5 dec. 2025.