Mario Coppo, Mariangiola Dezani-Ciancaglini. A new type assignment for λ-terms. Arch. Math. Log., 19(1):139-156, 1978. [doi]
@article{CoppoD78,
title = {A new type assignment for λ-terms},
author = {Mario Coppo and Mariangiola Dezani-Ciancaglini},
year = {1978},
doi = {10.1007/BF02011875},
url = {http://dx.doi.org/10.1007/BF02011875},
researchr = {https://researchr.org/publication/CoppoD78},
cites = {0},
citedby = {0},
journal = {Arch. Math. Log.},
volume = {19},
number = {1},
pages = {139-156},
}