ACHARYA, K. R. A Note on Vector Valued Discrete Schrödinger Operators. The Nepali Mathematical Sciences Report, [S. l.], v. 34, n. 1-2, p. 1–9, 2016. DOI: 10.3126/nmsr.v34i1-2.29980. Disponível em: https://www.nepjol.info/index.php/nmsr/article/view/29980. Acesso em: 18 may. 2024.