*0011591926
*008920312s1991    xx#           000 0 nob
*019  $bk
*08230$a510.79
*100  $aJohnsen, Trygve$_159389600
*245  $aMatematikkolympiaden i Sverige 1991
*300  $aS. 178-187 : ill.
*773  $tNormat$gÅrg. 39, h. 4 (1991)$x0801-3500$w(NO-LaBS)247358(tnr)
*999  $z9200139812$anorart:9200139812
^