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@article{MEM_2010_39_1_a17, author = {Dimitrov, Vladimir}, title = {Formal {Specification} of {Relational} {Model} of {Data} in {Z-Notation}}, journal = {Mathematics and Education in Mathematics}, pages = {178--183}, publisher = {mathdoc}, volume = {39}, number = {1}, year = {2010}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MEM_2010_39_1_a17/} }
Dimitrov, Vladimir. Formal Specification of Relational Model of Data in Z-Notation. Mathematics and Education in Mathematics, Tome 39 (2010) no. 1, pp. 178-183. http://geodesic.mathdoc.fr/item/MEM_2010_39_1_a17/