00318nam a2200109Ia 4500008004100000040003800041100002400079245004200103260003400145300001300179653001600192211217s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aBabakhanian, Ararat 0aCohomological methods in group theory  bMARCEL DECKERaNEW YORKc1972  a235 p p.  aMATHEMATICS