*0011191107 *008131003s2012 xx# 000 0 swe *019 $bk *08230$a510.92 *100 $aPersson, Ulf$4aut$_129538300 *245 $aTorsten Ekedahl 1955-2011 *300 $aS. 1-3 : port. *600 $aEkedahl, Torsten$_140698900 *650 $amatematikere$9nor$2norart$_129906500 *773 $tNormat$gÅrg. 60, nr. 1 (2012)$x0801-3500$w(NO-LaBS)247358(tnr) *999 $z1300544506$anorart:1300544506 ^