@article{DIA_1990__23__67_0,
     author = {Gaudel, M. C. and Moineau, Th.},
     title = {A theory of software reusability},
     journal = {Diagrammes},
     pages = {67--84},
     publisher = {Universit\'e Paris 7, Unit\'e d'enseignement et de recherche de math\'ematiques},
     volume = {23},
     year = {1990},
     mrnumber = {1082998},
     zbl = {0712.68066},
     language = {en},
     url = {http://www.numdam.org/item/DIA_1990__23__67_0/}
}