Andreas Heuer. An object algebra and its connection to the NF:::2::: - and flat relational algebra. In Relational Databases and their Extensions. pages 121-161, 1988.
@inproceedings{Heuer88:0,
title = {An object algebra and its connection to the NF:::2::: - and flat relational algebra},
author = {Andreas Heuer},
year = {1988},
tags = {relational algebra, algebra},
researchr = {https://researchr.org/publication/Heuer88%3A0},
cites = {0},
citedby = {0},
pages = {121-161},
booktitle = {Relational Databases and their Extensions},
}