Cláudia Silva and Fabio Silva. 1993.
Finite Sets: A Case Study on Formal Program Development in the Extended ML Framework. In Proceedings of the 7th Brazilian Symposium on Software Engineering, October 27, 1993, Rio de Janeiro/RJ, Brasil. SBC, Porto Alegre, Brasil, 62-76. DOI: https://doi.org/10.5753/sbes.1993.24396.