@article{1183142207,
author = {Kleene, S. C.},
title = {Review: Olaf Helmer, Perelman versus Godel},
journal = {J. Symbolic Logic},
volume = {2},
number = {2},
year = {1937},
pages = { 48-49},
language = {en},
url = {http://dml.mathdoc.fr/item/1183142207}
}
Kleene, S. C. Review: Olaf Helmer, Perelman versus Godel. J. Symbolic Logic, Tome 2 (1937) no. 2, pp. 48-49. http://gdmltest.u-ga.fr/item/1183142207/