Richard J. Nowakowski, Ivan Rival. The smallest graph variety containing all paths. Discrete Mathematics, 43(2-3):223-234, 1983. [doi]
@article{NowakowskiR83,
title = {The smallest graph variety containing all paths},
author = {Richard J. Nowakowski and Ivan Rival},
year = {1983},
doi = {10.1016/0012-365X(83)90159-0},
url = {http://dx.doi.org/10.1016/0012-365X(83)90159-0},
tags = {graph-rewriting, rewriting},
researchr = {https://researchr.org/publication/NowakowskiR83},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics},
volume = {43},
number = {2-3},
pages = {223-234},
}