@article{1183731350,
author = {Boone, William W.},
title = {Review: A. M. Turing, The Word Problem in Semi-Groups with Cancellation},
journal = {J. Symbolic Logic},
volume = {17},
number = {1},
year = {1952},
pages = { 74-76},
language = {en},
url = {http://dml.mathdoc.fr/item/1183731350}
}
Boone, William W. Review: A. M. Turing, The Word Problem in Semi-Groups with Cancellation. J. Symbolic Logic, Tome 17 (1952) no. 1, pp. 74-76. http://gdmltest.u-ga.fr/item/1183731350/