Riddles in mathematics: A book of paradoxes
Northrop, Eugene P
Riddles in mathematics: A book of paradoxes - English Universities Press Ltd., London 1959 - 242
Mathematics - Generalities
511 NOR-R
Riddles in mathematics: A book of paradoxes - English Universities Press Ltd., London 1959 - 242
Mathematics - Generalities
511 NOR-R