*0011512197
*008861002s1986    xx#           000 0 nob
*019  $bk
*08230$a512.7
*100  $aJohnsen, Ben$_130805000
*245  $aKryptografi, primtall og Riemanns hypotese$cav Ben Johnsen
*300  $aS. 2-16
*773  $tNormat$gÅrg. 34, h. 1 (1986)$x0801-3500$w(NO-LaBS)247358(tnr)
*999  $z8600080153$anorart:8600080153
^