00989nam0-22003131i-450-990002558720403321000255872FED01000255872(Aleph)000255872FED0100025587220000920d1980----km-y0itay50------baENGCombinatorial, Algebraic and Topological Representations of Groups, Semigroups and CategoriesAles Pultr , Vera Trnkova.AmsterdamNorth Holland1980.vi, 372 p.25 cmNorth-Holland mathematical library22InsiemiStrutture algebriche516Pultr,Ales104174Trnkova,VeraITUNINARICAUNIMARCBK990002558720403321MXXV-A-733241MASMASCombinatorial, Algebraic and Topological Representations of Groups, Semigroups and Categories437005UNINAING01