Biscuits of number theory
by Brown, Ezra, Benjamin, Arthur T.
fromThe Dolciani mathematical expositions
by Brown, Ezra, Benjamin, Arthur T.
fromThe Dolciani mathematical expositions
by Benjamin, Arthur, Brown, Ezra
fromDolciani mathematical expositions
by Benjamin, Arthur, Brown, Ezra
fromDolciani mathematical expositions
by GUY, Richard K., Brown, Ezra
fromThe Carus mathematical monographs