@article{10_4064_cm_57_1_1_9,
     author = {Sidkazem Taghva},
     title = {On models of finite direct products of theories},
     journal = {Colloquium Mathematicum},
     pages = {1--9},
     publisher = {mathdoc},
     volume = {57},
     number = {1},
     year = {1989},
     doi = {10.4064/cm-57-1-1-9},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-57-1-1-9/}
}