000  $anz n  2
000  $a주제어
001  $aKSH2002021258
005  $a20021031000000
008  $a020826 n azknnaabn          |a a|a    | 
150  $a영행렬[零行列]
450  $wr$i영어$azero matrix
550  $wg$a행렬(수학)[行列]