Christine Parent, Stefano Spaccapietra. An Algebra for a General Entity-Relation1hip Model. IEEE Trans. Software Eng., 11(7):634-643, 1985.
@article{ParentS85:0, title = {An Algebra for a General Entity-Relation1hip Model}, author = {Christine Parent and Stefano Spaccapietra}, year = {1985}, tags = {meta-model, algebra, Meta-Environment}, researchr = {https://researchr.org/publication/ParentS85%3A0}, cites = {0}, citedby = {0}, journal = {IEEE Trans. Software Eng.}, volume = {11}, number = {7}, pages = {634-643}, }