SAH, Satya Narayan. Some characterization of Atkinson & Fredholm operators . Medha: A Multidisciplinary Journal, [S. l.], v. 7, n. 1, p. 125–130, 2024. DOI: 10.3126/medha.v7i1.73901. Disponível em: https://www.nepjol.info/index.php/medha/article/view/73901. Acesso em: 8 dec. 2025.