JONCK, ELIZABETH; HATTINGH, JOHANNES H.; RAS, CHARL J. The L(d, 1)-hole index of paths and cycles. Utilitas Mathematica , [S. l.], v. 69, 2006. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/447. Acesso em: 8 may. 2026.