Journal of Algebra
Journal of Algebra > 2003 > 260 > 1 > 323-337
Journal of Algebra > 2003 > 260 > 2 > 476-518
Journal of Algebra > 2003 > 260 > 2 > 657-687
Journal of Algebra > 2003 > 260 > 2 > 631-656
Journal of Algebra > 2003 > 260 > 2 > 519-569
Journal of Algebra > 2003 > 260 > 2 > 577-591
Journal of Algebra > 2003 > 260 > 2 > 463-475
Journal of Algebra > 2003 > 260 > 2 > 570-576
Journal of Algebra > 2003 > 260 > 2 > 592-616