01114nam--2200337---450-99000323498020331620090505123231.0000323498USA01000323498(ALEPH)000323498USA0100032349820090505d1981----km-y0itay50------baengIT||||||||001yyNon commutative structures in algebra and geometric combinatoricsProceedings of the colloquium held at Arco Felice, Naples, july 24-26, 1978Edited by Aldo de LucaRomaConsiglio Nazionale delle Ricerche1981164 p.26 cmQuaderni de "La Ricerca Scientifica"1092001Quaderni de "La Ricerca Scientifica"Algebra512DE LUCA,AldoITsalbcISBD990003234980203316512 NON2867/CBS51200219852BKSCIRSIAV69020090505USA011232Non-commutative structures in algebra and geometric combinatorics353451UNISA