@article{105975,
author = {Stanislav \v Z\'ak},
title = {A Turing machine oracle hierarchy. II.},
journal = {Commentationes Mathematicae Universitatis Carolinae},
volume = {021},
year = {1980},
pages = {27-39},
zbl = {0429.68050},
mrnumber = {0566238},
language = {en},
url = {http://dml.mathdoc.fr/item/105975}
}
Žák, Stanislav. A Turing machine oracle hierarchy. II.. Commentationes Mathematicae Universitatis Carolinae, Tome 021 (1980) pp. 27-39. http://gdmltest.u-ga.fr/item/105975/
Theory of Recursive Functions and Effective Computability, McGraw-Hill, New York, 1967. (1967) | MR 0224462 | Zbl 0183.01401
A Turing machine oracle hierarchy I, Comment. Math. Univ. Carolinae 21 (1980), 11-26. (1980) | MR 0566238