Journal of Algebra
Journal of Algebra > 1995 > 171 > 1 > 204-229
Journal of Algebra > 1995 > 171 > 1 > 294-327
Journal of Algebra > 1995 > 171 > 2 > 426-443
Journal of Algebra > 1995 > 171 > 2 > 473-514
Journal of Algebra > 1995 > 171 > 1 > 204-229
Journal of Algebra > 1995 > 171 > 1 > 294-327
Journal of Algebra > 1995 > 171 > 2 > 426-443
Journal of Algebra > 1995 > 171 > 2 > 473-514