LINNIK, Y. V. An Application of the Theory of Matrices and of Lobatschevskian Geometry to the Theory of Dirichlet’s Real Characters. The Journal of the Indian Mathematical Society, [S. l.], v. 20, n. 1-3, p. 37–45, 1956. DOI: 10.18311/jims/1956/16984. Disponível em: https://www.informaticsjournals.com/index.php/jims/article/view/16984. Acesso em: 29 apr. 2024.