01023nam0-2200373---450-99000825719040332120060117111746.00-8218-3834-2000825719FED01000825719(Aleph)000825719FED0100082571920060117d2005----km-y0itay50------baengUSa---a---001yyQuadratic algebrasA. Polishchuk, L. PositselskiProvidenceAmerican mathematical societyc2005xii, 159 p.24 cmUniversity lecture series37Algebre quadraticheAlgebre differenziali512.522Polishchuk,Alexander67582Positselski,Leonid499475ITUNINARICAUNIMARCBK990008257190403321C-59-(3721275MA1MA116S3716E45Quadratic algebras741869UNINA