By Gbel Rdiger   Salce Luigi   in Quarterly Journal of Mathematics

ISSN:1464-3847|63|2|381-397

Oxford University Press‎(2012)‎

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By Houston Evan   Olberding Bruce   Salce Luigi   Tartarone Francesca   in Communications in Algebra

ISSN:0092-7872|43|1|1-2

Taylor & Francis Ltd‎(2015)‎

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