@article{1183737803,
author = {Clapham, C. R. J.},
title = {Review: Donald J. Collins, Recursively Enumerable Degrees and the Conjugacy Problem},
journal = {J. Symbolic Logic},
volume = {36},
number = {1},
year = {1971},
language = {en},
url = {http://dml.mathdoc.fr/item/1183737803}
}
Clapham, C. R. J. Review: Donald J. Collins, Recursively Enumerable Degrees and the Conjugacy Problem. J. Symbolic Logic, Tome 36 (1971) no. 1, . http://gdmltest.u-ga.fr/item/1183737803/