JONES, RYAN; PHINEZY, BRYAN; SPEISS, SHELLEY; ZHANG, PING. Oriented modular arc colorings in digraphs. Utilitas Mathematica , [S. l.], v. 101, 2016. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/1129. Acesso em: 7 may. 2026.