@article{1183740058,
author = {Schlipf, John Stewart},
title = {Ordinal Spectra of First-Order Theories},
journal = {J. Symbolic Logic},
volume = {42},
number = {1},
year = {1977},
pages = { 492-505},
language = {en},
url = {http://dml.mathdoc.fr/item/1183740058}
}
Schlipf, John Stewart. Ordinal Spectra of First-Order Theories. J. Symbolic Logic, Tome 42 (1977) no. 1, pp. 492-505. http://gdmltest.u-ga.fr/item/1183740058/