@article{bwmeta1.element.desklight-fbf6e090-7534-4b74-bc10-46ea4af0a29b, author = {Hugo Volger}, title = {The Feferman-Vaught theorem revisited}, journal = {Colloquium Mathematicae}, volume = {35}, year = {1976}, pages = {1-11}, zbl = {0361.02069}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.desklight-fbf6e090-7534-4b74-bc10-46ea4af0a29b} }
Hugo Volger. The Feferman-Vaught theorem revisited. Colloquium Mathematicae, Tome 35 (1976) pp. 1-11. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-fbf6e090-7534-4b74-bc10-46ea4af0a29b/