LEADER 00774nam0-22002531i-450- 001 990001151230403321 035 $a000115123 035 $aFED01000115123 035 $a(Aleph)000115123FED01 035 $a000115123 100 $a20000920d1986----km-y0itay50------ba 101 0 $aeng 200 1 $aMobius Functions, Incidence Algebras and Power Series Representations$fby Dur 210 $aBerlin [etc.]$cSpringer-Verlag$d1986 225 1 $aLecture Notes in Mathematics$v1202 700 1$aDur,$bArne$055036 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990001151230403321 952 $aC-20-(1202$b2324$fMA1 959 $aMA1 996 $aMöbius functions, incidence algebras and power series representations$978565 997 $aUNINA DB $aING01