@article{1183735522,
author = {Lachlan, A. H.},
title = {The Impossibility of finding Relative Complements for Recursively Enumerable Degrees},
journal = {J. Symbolic Logic},
volume = {31},
number = {1},
year = {1966},
pages = { 434-454},
language = {en},
url = {http://dml.mathdoc.fr/item/1183735522}
}
Lachlan, A. H. The Impossibility of finding Relative Complements for Recursively Enumerable Degrees. J. Symbolic Logic, Tome 31 (1966) no. 1, pp. 434-454. http://gdmltest.u-ga.fr/item/1183735522/