@article{1183732155,
author = {Church, Alonzo},
title = {Review: Leon Henkin, Banishing the Rule of Substitution for Functional Variables},
journal = {J. Symbolic Logic},
volume = {20},
number = {1},
year = {1955},
pages = { 179-180},
language = {en},
url = {http://dml.mathdoc.fr/item/1183732155}
}
Church, Alonzo. Review: Leon Henkin, Banishing the Rule of Substitution for Functional Variables. J. Symbolic Logic, Tome 20 (1955) no. 1, pp. 179-180. http://gdmltest.u-ga.fr/item/1183732155/