00326nam a2200121Ia 4500008004100000040003800041100001600079245003000095250000900125260003800134300001600172653001600188211228s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aNewman, J R 0aWorld of mathematics. v.3  aN.d.  bSIMON AND SCUSTERaNEW YORKc1956  aV, 2020P p.  aMATHEMATICS