@article{ITA_2001__35_2_113_0, author = {Levene, Mark and Loizou, George}, title = {A generalisation of entity and referential integrity in relational databases}, journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications}, pages = {113--127}, publisher = {EDP-Sciences}, volume = {35}, number = {2}, year = {2001}, zbl = {0992.68048}, mrnumber = {1862458}, language = {en}, url = {http://www.numdam.org/item/ITA_2001__35_2_113_0/} }