Nonexistence of (17, 108, 3) ternary orthogonal array. Annual of Sofia University St. Kliment Ohridski. Faculty of Mathematics and Informatics, [S. l.], v. 106, p. 117–126, 2019. DOI: 10.60063/gsu.fmi.106.117-126. Disponível em: https://annual.uni-sofia.bg/index.php/fmi/article/view/30. Acesso em: 14 dec. 2025.