BELOVAS, Igoris. Problems for combinatorial numbers satisfying a class of triangular arrays. Lietuvos matematikos rinkinys, [S. l.], v. 64, n. B, p. 16–22, 2023. DOI: 10.15388/LMR.2023.33577. Disponível em: https://test.zurnalai.vu.lt/LMR/article/view/33577. Acesso em: 27 oct. 2025.