M. MANEV, H. ALMOST CONTACT B-METRIC STRUCTURES AND THE BIANCHI CLASSIFICATION OF THE THREE-DIMENSIONAL LIE ALGEBRAS. Ann. Sofia Univ. Fac. Math. and Inf., [S. l.], v. 102, p. 133–144, 2015. Disponível em: https://stipendii.uni-sofia.bg/index.php/fmi/article/view/67. Acesso em: 22 nov. 2024.