%0 Journal Article %A Martin, Donald A. %A Steel, John R. %T A proof of projective determinacy %J Journal of the American Mathematical Society %D 1989 %P 71-125 %V 02 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-1989-0955605-X/ %R 10.1090/S0894-0347-1989-0955605-X %F 10_1090_S0894_0347_1989_0955605_X