Dover Books on Mathematics Ser.: Catastrophe Theory and Its Applications by Ian

Fundamental Number Theory with - GOOD

Fundamental Number Theory with Applications (Discrete Mathematics and Its...

Cryptography: Theory and Practice (Discrete Mathematics and Its Applications)

Dover Books on Mathematics Ser.: Number Theory and Its History by Oystein Ore...

Discrete Mathematics and Its Applications Ser.: Cryptography : Theory and...

Fundamental Number Theory with Appl..., Mollin, Richard

Discrete Mathematics and Its Applications - Hardcover, by Rosen Kenneth - Good