00294nam a2200121Ia 4500008004100000082002100041100001600062245003000078250000600108260000900114300000600123650004300129150614s9999    xx            000 0 und d  a510.03  PUR-D  R  aSudesh Puri  aDictionary of mathematics  a0  c1996  a0  aDictionary of mathematics  Sudesh Puri