%0 Journal Article %A Becker, Howard %T Polish group actions: Dichotomies and generalized elementary embeddings %J Journal of the American Mathematical Society %D 1998 %P 397-449 %V 11 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-98-00258-6/ %R 10.1090/S0894-0347-98-00258-6 %F 10_1090_S0894_0347_98_00258_6