@article{1093958077,
author = {Ihrig, Ann H.},
title = {The Post-Lineal theorems for arbitrary recursively enumerable degrees of unsolvability.},
journal = {Notre Dame J. Formal Logic},
volume = {6},
number = {1},
year = {1965},
pages = { 54-72},
language = {en},
url = {http://dml.mathdoc.fr/item/1093958077}
}
Ihrig, Ann H. The Post-Lineal theorems for arbitrary recursively enumerable degrees of unsolvability.. Notre Dame J. Formal Logic, Tome 6 (1965) no. 1, pp. 54-72. http://gdmltest.u-ga.fr/item/1093958077/