%0 Journal Article %A Basallote, Manuela %A Díaz, Santiago %T Some strong forms of the local duality ofultraproducts %J Glasgow mathematical journal %D 2000 %P 9-13 %V 42 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500010016/ %R 10.1017/S0017089500010016 %F 10_1017_S0017089500010016