Fred R. McMorris, Henry Martyn Mulder, Robert C. Powers. The median function on median graphs and semilattices. Discrete Applied Mathematics, 101(1-3):221-230, 2000.
@article{McMorrisMP00,
title = {The median function on median graphs and semilattices},
author = {Fred R. McMorris and Henry Martyn Mulder and Robert C. Powers},
year = {2000},
tags = {graph-rewriting, C++, rewriting},
researchr = {https://researchr.org/publication/McMorrisMP00},
cites = {0},
citedby = {0},
journal = {Discrete Applied Mathematics},
volume = {101},
number = {1-3},
pages = {221-230},
}