Riddles in mathematics :
Northrop, Eugene P
Riddles in mathematics : A Book in paradoxes / Eugene P. Northrop - Harmondsworth Penguin 1944 - 239p;pbk
0140204784
Mathematics
Mathematics--Philosophy
510.0 / NOR
Riddles in mathematics : A Book in paradoxes / Eugene P. Northrop - Harmondsworth Penguin 1944 - 239p;pbk
0140204784
Mathematics
Mathematics--Philosophy
510.0 / NOR