Stephen B. Maurer, Issie Rabinovich, William T. Trotter. A generalization of Turán s theorem to directed graphs. Discrete Mathematics, 32(2):167-189, 1980. [doi]
@article{MaurerRT80a,
title = {A generalization of Turán s theorem to directed graphs},
author = {Stephen B. Maurer and Issie Rabinovich and William T. Trotter},
year = {1980},
doi = {10.1016/0012-365X(80)90052-7},
url = {http://dx.doi.org/10.1016/0012-365X(80)90052-7},
tags = {graph-rewriting, rewriting},
researchr = {https://researchr.org/publication/MaurerRT80a},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics},
volume = {32},
number = {2},
pages = {167-189},
}