GE, LIANSHENG; CAI, JIANSHENG. Edge-choosability of planar graphs without chordal 6-cycles. Utilitas Mathematica , [S. l.], v. 86, 2011. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/748. Acesso em: 8 may. 2026.