*0011587894 *008911112s1991 xx# 000 0 nob *019 $bk *08230$a510.79 *100 $aReed, Jon$_65159600 *245 $aMatematikkolympiaden i Kina 1990$cJon Reed *300 $aS. 86-91 *773 $tNormat$gÅrg. 39, h. 2 (1991)$x0801-3500$w(NO-LaBS)247358(tnr) *999 $z9100135747$anorart:9100135747 ^