@article{1183740247,
author = {Wheeler, William H.},
title = {A Characterization of Companionable, Universal Theories},
journal = {J. Symbolic Logic},
volume = {43},
number = {1},
year = {1978},
pages = { 402-429},
language = {en},
url = {http://dml.mathdoc.fr/item/1183740247}
}
Wheeler, William H. A Characterization of Companionable, Universal Theories. J. Symbolic Logic, Tome 43 (1978) no. 1, pp. 402-429. http://gdmltest.u-ga.fr/item/1183740247/