Peter Bugata. Trahtenbrot-Zykov problem and NP-completeness. Discrete Mathematics, 108(1-3):253-259, 1992. [doi]
@article{Bugata92,
title = {Trahtenbrot-Zykov problem and NP-completeness},
author = {Peter Bugata},
year = {1992},
doi = {10.1016/0012-365X(92)90679-A},
url = {http://dx.doi.org/10.1016/0012-365X(92)90679-A},
tags = {completeness},
researchr = {https://researchr.org/publication/Bugata92},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics},
volume = {108},
number = {1-3},
pages = {253-259},
}