00270nam a22001097a 4500003000400000008004100004082001700045100002400062245003300086260003400119300000700153OSt231031b        |||||||| |||| 00| 0 eng d  a512.22bB51F  aBhattacharya, P. B.  aFirst Course in Group theory  aCalcuttabWiley Easternc1972  a97