PALSBERG, J.; SCHWARTZBACH, M. I. Polyvariant Analysis of the Untyped Lambda Calculus. DAIMI Report Series, [S. l.], v. 21, n. 386, 1992. DOI: 10.7146/dpb.v21i386.6619. Disponível em: https://tidsskrift.dk/daimipb/article/view/6619. Acesso em: 8 may. 2024.