IZVARINA, N. On the symbol of nonlocal operators associated with a parabolic diffeomorphism. Eurasian Mathematical Journal, [S. l.], v. 9, n. 2, p. 34–43, 2018. DOI: 10.32523/2077-9879-2018-9-2-34-43. Disponível em: https://emj.enu.kz/index.php/main/article/view/114. Acesso em: 30 sep. 2026.