Shanks, D. (1993). Solved and unsolved problems in number theory AMS Chelsea Publishing.
Citación estilo ChicagoShanks, Daniel. Solved and Unsolved Problems in Number Theory. 4th. ed. Providence, R.I.: AMS Chelsea Publishing, 1993.
Cita MLAShanks, Daniel. Solved and Unsolved Problems in Number Theory. 4th. ed. Providence, R.I.: AMS Chelsea Publishing, 1993.
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