Robert Baldinger, Jonathan P. McCammond. Gaps in the Categories of Finite Directed and Finite Transitive Graphs. IJAC, 8(1):35-60, 1998. [doi]
@article{BaldingerM98,
title = {Gaps in the Categories of Finite Directed and Finite Transitive Graphs},
author = {Robert Baldinger and Jonathan P. McCammond},
year = {1998},
doi = {10.1142/S0218196798000041},
url = {http://dx.doi.org/10.1142/S0218196798000041},
researchr = {https://researchr.org/publication/BaldingerM98},
cites = {0},
citedby = {0},
journal = {IJAC},
volume = {8},
number = {1},
pages = {35-60},
}