@article{1093882950,
author = {Friedman, William H.},
title = {Calculemus.},
journal = {Notre Dame J. Formal Logic},
volume = {21},
number = {1},
year = {1980},
pages = { 166-174},
language = {en},
url = {http://dml.mathdoc.fr/item/1093882950}
}
Friedman, William H. Calculemus.. Notre Dame J. Formal Logic, Tome 21 (1980) no. 1, pp. 166-174. http://gdmltest.u-ga.fr/item/1093882950/