Zehui Shao, Huiqin Jiang, Aleksander Vesel. L(2, 1)-labeling of the Cartesian and strong product of two directed cycles. Math. Found. Comput., 1(1):49-61, 2018. [doi]
@article{ShaoJV18,
title = {L(2, 1)-labeling of the Cartesian and strong product of two directed cycles},
author = {Zehui Shao and Huiqin Jiang and Aleksander Vesel},
year = {2018},
doi = {10.3934/mfc.2018003},
url = {https://doi.org/10.3934/mfc.2018003},
researchr = {https://researchr.org/publication/ShaoJV18},
cites = {0},
citedby = {0},
journal = {Math. Found. Comput.},
volume = {1},
number = {1},
pages = {49-61},
}