@article{1183743662,
author = {Vourtsanis, Yiannis},
title = {A Direct Proof of the Feferman-Vaught Theorem and Other Preservation Theorems in Products},
journal = {J. Symbolic Logic},
volume = {56},
number = {1},
year = {1991},
pages = { 632-636},
language = {en},
url = {http://dml.mathdoc.fr/item/1183743662}
}
Vourtsanis, Yiannis. A Direct Proof of the Feferman-Vaught Theorem and Other Preservation Theorems in Products. J. Symbolic Logic, Tome 56 (1991) no. 1, pp. 632-636. http://gdmltest.u-ga.fr/item/1183743662/