@article{1093883253,
author = {Coppo, M. and Dezani-Ciancaglini, M.},
title = {An extension of the basic functionality theory for the $\lambda$-calculus.},
journal = {Notre Dame J. Formal Logic},
volume = {21},
number = {1},
year = {1980},
pages = { 685-693},
language = {en},
url = {http://dml.mathdoc.fr/item/1093883253}
}
Coppo, M.; Dezani-Ciancaglini, M. An extension of the basic functionality theory for the $\lambda$-calculus.. Notre Dame J. Formal Logic, Tome 21 (1980) no. 1, pp. 685-693. http://gdmltest.u-ga.fr/item/1093883253/