LEADER 01046nam a2200301 i 4500 001 991000468809707536 008 041005s2004 nyua b 001 0 eng d 020 $a0387207562 035 $ab13225583-39ule_inst 040 $aDip.to Matematica$beng 082 0 $a003.54$222 084 $aAMS 94A60 084 $aLC QA268.B83 100 1 $aBuchmann, Johannes$065712 245 10$aIntroduction to cryptography /$cJohannes Buchmann 250 $a2nd ed. 260 $aNew York :$bSpringer,$c2004 300 $axvi, 335 p. :$bill. ;$c25 cm 440 0$aUndergraduate texts in mathematics,$x0172-6056 504 $aIncludes bibliographical references and index 650 0$aCoding theory 650 0$aCryptography 907 $a.b13225583$b21-09-06$c05-10-04 912 $a991000468809707536 945 $aLE013 94A BUC21 (2004)$g1$i2013000148540$lle013$op$pE39.95$q-$rl$s- $t0$u11$v1$w11$x0$y.i13895199$z13-10-04 996 $aIntroduction to cryptography$9378415 997 $aUNISALENTO 998 $ale013$b05-10-04$cm$da $e-$feng$gnyu$h0$i0