00289pam a2200121 a 4500020000500000041000800005082001400013100002100027245005300048250000900101260004500110653001200155  c  aeng  a512bGALL  aGallan Joseph A.  aContemporary Abstract AlgebrahTextual Documents  a4th.  a[s.l]:bVarosa Publication House ,c199.  aAlgebra