FU, HUNG-LIN; SUN, I.-FAN. Face 2-colorable quadrilateral embeddings of complete bipartite graphs. Utilitas Mathematica , [S. l.], v. 62, 2002. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/235. Acesso em: 8 may. 2026.