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Advances in Mathematics > 2012 > 230 > 4-6 > 2152-2175
Journal of Algebra > 2008 > 319 > 4 > 1462-1529
Journal of Symbolic Computation > 2007 > 42 > 11-12 > 1079-1112
Advances in Mathematics > 2012 > 230 > 4-6 > 2152-2175
Journal of Algebra > 2008 > 319 > 4 > 1462-1529
Journal of Symbolic Computation > 2007 > 42 > 11-12 > 1079-1112