%0 Journal Article %A Levene, Mark %A Loizou, George %T A generalisation of entity and referential integrity in relational databases %J RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications %D 2001 %P 113-127 %V 35 %N 2 %I EDP-Sciences %G en %F ITA_2001__35_2_113_0