Review: Shen Lin, Tibor Rado, Computer Studies of Turing Machine Problems; Allen H. Brady, The Conjectured Highest Scoring Machines for Rado's $\sum(k)$ for the Value $K = 4$; Milton W. Green, A Lower Bound on Rado's Sigma Function for Binary Turing Machines
@article{1183739625,
author = {Enderton, H. B.},
title = {Review: Shen Lin, Tibor Rado, Computer Studies of Turing Machine Problems; Allen H. Brady, The Conjectured Highest Scoring Machines for Rado's $\sum(k)$ for the Value $K = 4$; Milton W. Green, A Lower Bound on Rado's Sigma Function for Binary Turing Machines},
journal = {J. Symbolic Logic},
volume = {40},
number = {1},
year = {1975},
language = {en},
url = {http://dml.mathdoc.fr/item/1183739625}
}
Enderton, H. B. Review: Shen Lin, Tibor Rado, Computer Studies of Turing Machine Problems; Allen H. Brady, The Conjectured Highest Scoring Machines for Rado's $\sum(k)$ for the Value $K = 4$; Milton W. Green, A Lower Bound on Rado's Sigma Function for Binary Turing Machines. J. Symbolic Logic, Tome 40 (1975) no. 1, . http://gdmltest.u-ga.fr/item/1183739625/