KAUNDA, M.F.C; OKELO, N.B; ONGATI, Omolo. Derivation Properties of Finite Rank Operators. International Journal of Modern Computation, Information and Communication Technology, [S. l.], v. 2, n. 8 & 9, p. 59–65, 2019. DOI: 10.65000/6j433z32. Disponível em: https://gjpublications.com/index.php/IJMCICT/article/view/44. Acesso em: 23 oct. 2025.