00382nam a2200157Ia 45000010006000000050017000060080041000230410008000640820019000721000028000912450048001192600009001673000032001766500008002086540008002161403020260306164844.0260306t2010||||xx |||||||||||||| ||spa|| aESP a005.82051bH66 aHoffstein, JeffreyeAUT 3aAn Introduction to Mathematical Crytography c2010 axv, 523 páginas :c23 cm. aGEN aCCC