SONG, FEIFEI. Saturation numbers for linear forests P4 ∪ P3 ∪ tP2. Utilitas Mathematica , [S. l.], v. 104, 2017. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/1185. Acesso em: 7 may. 2026.