BOYVALENKOV, P.; STOYANOVA, M. SPHERICAL 2-DISTANCE SETS WHICH ARE SPHERICAL 3-DESIGNS. Ann. Sofia Univ. Fac. Math. and Inf., [S. l.], v. 95, p. 53–58, 2003. Disponível em: https://stipendii.uni-sofia.bg/index.php/fmi/article/view/175. Acesso em: 21 nov. 2024.