@article{bwmeta1.element.desklight-70381611-b707-4265-8eed-c8292b8ecb63, author = {Guus Broesterhuizen}, title = {A generalized \L o\'s ultraproduct theorem}, journal = {Colloquium Mathematicae}, volume = {33}, year = {1975}, pages = {161-173}, zbl = {0282.02023}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.desklight-70381611-b707-4265-8eed-c8292b8ecb63} }
Guus Broesterhuizen. A generalized Łoś ultraproduct theorem. Colloquium Mathematicae, Tome 33 (1975) pp. 161-173. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-70381611-b707-4265-8eed-c8292b8ecb63/