@article{1183736550,
author = {Yates, C. E. M.},
title = {Review: K. I. Appel, No Recursively Enumerable Set is the Union of Finitely Many Immune Retraceable Sets},
journal = {J. Symbolic Logic},
volume = {33},
number = {1},
year = {1968},
language = {en},
url = {http://dml.mathdoc.fr/item/1183736550}
}
Yates, C. E. M. Review: K. I. Appel, No Recursively Enumerable Set is the Union of Finitely Many Immune Retraceable Sets. J. Symbolic Logic, Tome 33 (1968) no. 1, . http://gdmltest.u-ga.fr/item/1183736550/