@article{1183410407,
author = {Turing, A. M.},
title = {Practical Forms of Type Theory},
journal = {J. Symbolic Logic},
volume = {13},
number = {1},
year = {1948},
pages = { 80-94},
language = {en},
url = {http://dml.mathdoc.fr/item/1183410407}
}
Turing, A. M. Practical Forms of Type Theory. J. Symbolic Logic, Tome 13 (1948) no. 1, pp. 80-94. http://gdmltest.u-ga.fr/item/1183410407/