@article{GDZPPN002540819,
title = {Natural Numbers In Illative Combinatory Logic.},
journal = {Revista colombiana de matematicas},
volume = {19},
year = {1985},
pages = {31-42},
zbl = {0612.03012},
url = {http://dml.mathdoc.fr/item/GDZPPN002540819}
}
Bunder, M.W. Natural Numbers In Illative Combinatory Logic.. Revista colombiana de matematicas, Tome 19 (1985) pp. 31-42. http://gdmltest.u-ga.fr/item/GDZPPN002540819/