Local Existence and Uniqueness of Sobolev Type Semilinear Initial Value Problems in Banach Spaces. Al-Nahrain Journal of Science, [S. l.], v. 9, n. 2, p. 143–148, 2006. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/1680.. Acesso em: 14 may. 2024.