scientific article; zbMATH DE number 2154589
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Publication:4665124
zbMath1069.18011MaRDI QIDQ4665124
Helga Oltmanns, Ulrich Knauer, Mati Kilp, Valdis Laan
Publication date: 9 April 2005
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Free, projective, and flat modules and ideals in associative algebras (16D40) Projective and free modules and ideals in commutative rings (13C10) Projectives and injectives (category-theoretic aspects) (18G05) Representation of semigroups; actions of semigroups on sets (20M30)
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