Comparing Two Different Approaches to Products in Abstract Relation Algebra

@inproceedings{Berghammer1993ComparingTD,
  title={Comparing Two Different Approaches to Products in Abstract Relation Algebra},
  author={Rudolf Berghammer and Armando Martin Haeberer and Gunther Schmidt and Paulo A. S. Veloso},
  booktitle={AMAST},
  year={1993}
}