C. E. Martin, S. A. Curtis. The algebra of multirelations. Mathematical Structures in Computer Science, 23(3):635-674, 2013. [doi]
@article{MartinC13-0,
title = {The algebra of multirelations},
author = {C. E. Martin and S. A. Curtis},
year = {2013},
doi = {10.1017/S0960129512000965},
url = {http://dx.doi.org/10.1017/S0960129512000965},
researchr = {https://researchr.org/publication/MartinC13-0},
cites = {0},
citedby = {0},
journal = {Mathematical Structures in Computer Science},
volume = {23},
number = {3},
pages = {635-674},
}