00295nam a2200109Ia 4500008004100000040003800041100001600079245002200095260003400117300001800151653001600169211228s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aMalcev, A I 0aAlgebraic systems  bSPRING-VERLAGaNEW YORKc1973  aXII, 249 p p.  aMATHEMATICS