Riddles in mathematics : a book of paradoxes /

• Main Author: Northrop, Eugene P. (Eugene Purdy), 1908-1969 (συγγραφέας)
• Format: Book
• Language: English
• Published: Harmondsworth : Penguin Books, c1944 [reprinted 1963]
• Series: Pelican books 36
• Subjects: Παιχνίδια στρατηγικής (Μαθηματικά)