Carlos Guia, Oscar Ordaz. Chvatal-Erdos condition for Hamiltonicity in digraphs. Ars Comb., 43, 1996.
@article{GuiaO96, title = {Chvatal-Erdos condition for Hamiltonicity in digraphs}, author = {Carlos Guia and Oscar Ordaz}, year = {1996}, researchr = {https://researchr.org/publication/GuiaO96}, cites = {0}, citedby = {0}, journal = {Ars Comb.}, volume = {43}, }