SPHERICAL 2-DISTANCE SETS WHICH ARE SPHERICAL 3-DESIGNS. Annual of Sofia University St. Kliment Ohridski. Faculty of Mathematics and Informatics, [S. l.], v. 95, p. 53–58, 2003. Disponível em: https://annual.uni-sofia.bg/index.php/fmi/article/view/175. Acesso em: 15 dec. 2025.