00528nam 2201015 45000010005000000030023000050050009000280080041000370820010000780720022000880200018001101000018001282600033001462500006001792450044001856500022002296500020002516500009002716500014002806500018002941015StarLibrary Marc Built20180430201711 ||||| |||||||||||amh  a004.9 aalgebraic systems a81-224-0090-6 aleon. S> Levy bWILEY EASTERN LIMITED c1993 a2 adiscrete structures of computer science aalgebraic systems adirected graphs asets afunctions aand relations