An algorithmic approach to some problems on the representation of natural numbers as sums without repetitions. Annual of Sofia University St. Kliment Ohridski. Faculty of Mathematics and Informatics, [S. l.], v. 89, p. 89–99, 1997. Disponível em: https://annual.uni-sofia.bg/index.php/fmi/article/view/358. Acesso em: 15 dec. 2025.