NIELSON, H. R.; NIELSON, F. Using Transformations in the Implementation of Higher-Order Functions. DAIMI Report Series, [S. l.], v. 19, n. 337, 1990. DOI: 10.7146/dpb.v19i337.6568. Disponível em: https://tidsskrift.dk/daimipb/article/view/6568. Acesso em: 9 may. 2024.