Ben Potter, Jane Sinclair, David Till. Introduction to formal specification and Z. Prentice Hall International Series in Computer Science, Prentice Hall, 1991.
@book{0067103, title = {Introduction to formal specification and Z}, author = {Ben Potter and Jane Sinclair and David Till}, year = {1991}, researchr = {https://researchr.org/publication/0067103}, cites = {0}, citedby = {0}, series = {Prentice Hall International Series in Computer Science}, publisher = {Prentice Hall}, isbn = {978-0-13-478702-2}, }