Archive for Mathematical Logic
Archive for Mathematical Logic > 2008 > 47 > 7-8 > 741-763
Archive for Mathematical Logic > 2008 > 47 > 7-8 > 711-718
Archive for Mathematical Logic > 2008 > 47 > 7-8 > 769-783
Archive for Mathematical Logic > 2008 > 47 > 7-8 > 677-709