GHAHRAMANI, Hoger; SATTARI, Saman. Left derivable maps at non-trivial idempotents on nest algebras. Annales Mathematicae Silesianae, [S. l.], v. 33, p. 97–105, 2019. Disponível em: https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/13653. Acesso em: 7 may. 2025.