Serge Abiteboul, Victor Vianu. Expressive Power of Query Languages. In Theoretical Studies in Computer Science. pages 207-251, 1992.
@inproceedings{AbiteboulV92, title = {Expressive Power of Query Languages}, author = {Serge Abiteboul and Victor Vianu}, year = {1992}, tags = {query language}, researchr = {https://researchr.org/publication/AbiteboulV92}, cites = {0}, citedby = {0}, pages = {207-251}, booktitle = {Theoretical Studies in Computer Science}, }