Wesley Pegden. Critical graphs without triangles: An optimum density construction. Combinatorica, 33(4):495-513, 2013. [doi]
@article{Pegden13,
title = {Critical graphs without triangles: An optimum density construction},
author = {Wesley Pegden},
year = {2013},
doi = {10.1007/s00493-013-2440-1},
url = {http://dx.doi.org/10.1007/s00493-013-2440-1},
researchr = {https://researchr.org/publication/Pegden13},
cites = {0},
citedby = {0},
journal = {Combinatorica},
volume = {33},
number = {4},
pages = {495-513},
}