Journal of Pure and Applied Algebra
Journal of Pure and Applied Algebra > 1996 > 108 > 2 > 203-218
Journal of Pure and Applied Algebra > 1996 > 108 > 2 > 175-201
Journal of Pure and Applied Algebra > 1996 > 108 > 2 > 109-173
Journal of Pure and Applied Algebra > 1996 > 108 > 2 > 203-218
Journal of Pure and Applied Algebra > 1996 > 108 > 2 > 175-201
Journal of Pure and Applied Algebra > 1996 > 108 > 2 > 109-173