Operators on Sobolev Type Spaces. Communications in Mathematical Research, [S. l.], v. 39, n. 2, p. 254–286, 2023. DOI: 10.4208/cmr.2022-0032. Disponível em: https://global-sci.com/index.php/cmr/article/view/9103. Acesso em: 5 dec. 2025.