Chính T. Hoàng, Bruce A. Reed. A note on short cycles in diagraphs. Discrete Mathematics, 66(1-2):103-107, 1987. [doi]
@article{HoangR87,
title = {A note on short cycles in diagraphs},
author = {Chính T. Hoàng and Bruce A. Reed},
year = {1987},
doi = {10.1016/0012-365X(87)90122-1},
url = {http://dx.doi.org/10.1016/0012-365X(87)90122-1},
researchr = {https://researchr.org/publication/HoangR87},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics},
volume = {66},
number = {1-2},
pages = {103-107},
}