γ-cycles and transivity by monochromatic paths in arc-coloured digraphs. - Enrique Casas-Bautista; Hortensia Galeana-Sánchez; Rocío Rojas-Monroy (Discuss. Math. Graph Theory, 2013)

Cycles and transitivity by monochromatic paths in arc-coloured digraphs. - Enrique Casas-Bautista; Hortensia Galeana-Sánchez; Rocío Rojas-Monroy (AKCE Int. J. Graphs Comb., 2015)