Riddles in mathematics : fun with figures for amateur and expert alike
Northrop, Eugene Purdy
Riddles in mathematics : fun with figures for amateur and expert alike - Australia : Penguin Books, 1960 - 239 p. : il. ; 18 cm. - A pelican book .
Matemáticas recreativas
QA 95 / N66 1960
Riddles in mathematics : fun with figures for amateur and expert alike - Australia : Penguin Books, 1960 - 239 p. : il. ; 18 cm. - A pelican book .
Matemáticas recreativas
QA 95 / N66 1960