Note on abstract elliptic equations with nonlocal boundary in time condition. Advances in the Theory of Nonlinear Analysis and its Application, [S. l.], v. 5, n. 4, p. 551–558, 2023. Disponível em: https://mail.atnaea.org/index.php/journal/article/view/223.. Acesso em: 19 apr. 2026.