*0011594734 *008920521s1992 xx# 000 0 nob *019 $bk *08230$a516.2 *100 $aHansen, H.C.$_59313800 *245 $aDen isoperimetriske problemfamilie *300 $aS. 14-23 *773 $tNormat$gÅrg. 40, h. 1 (1992)$x0801-3500$w(NO-LaBS)247358(tnr) *999 $z9200142620$anorart:9200142620 ^