%0 Journal Article %A Stephen Leeds %A Hilary Putnam %T Solution to a problem of Gandy's %J Fundamenta Mathematicae %D 1973 %P 99-106 %V 81 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-81-2-99-106/ %R 10.4064/fm-81-2-99-106 %G en %F 10_4064_fm_81_2_99_106