@article{1093957320,
author = {McLaughlin, Thomas G.},
title = {On an extension of a theorem of Friedberg.},
journal = {Notre Dame J. Formal Logic},
volume = {3},
number = {1},
year = {1962},
pages = { 270-273},
language = {en},
url = {http://dml.mathdoc.fr/item/1093957320}
}
McLaughlin, Thomas G. On an extension of a theorem of Friedberg.. Notre Dame J. Formal Logic, Tome 3 (1962) no. 1, pp. 270-273. http://gdmltest.u-ga.fr/item/1093957320/