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Sep 12, 2016 at 0:00 comment added Skip See Proposition 7.2 in the published version dx.doi.org/10.1016/j.jalgebra.2014.08.057
S Jul 12, 2014 at 1:47 review Late answers
Jul 12, 2014 at 1:49
S Jul 12, 2014 at 1:47 review First posts
Jul 12, 2014 at 1:52
Jul 12, 2014 at 1:27 history answered H. Bermudez CC BY-SA 3.0