@article{1183386540,
author = {Chwistek, L.},
title = {A Formal Proof of Godel's Theorem},
journal = {J. Symbolic Logic},
volume = {4},
number = {1},
year = {1939},
pages = { 61-68},
language = {en},
url = {http://dml.mathdoc.fr/item/1183386540}
}
Chwistek, L. A Formal Proof of Godel's Theorem. J. Symbolic Logic, Tome 4 (1939) no. 1, pp. 61-68. http://gdmltest.u-ga.fr/item/1183386540/