00000nz  a2200000n  4500
001  KSH1999021252
005  19991230085206
008  991230 n azknn|abn          |a a|a    | 
150  ▼a동차 함수[同次函數]▲
450  ▼wr▼i영어▼ahomogeneous function▲
550  ▼wg▼a함수[函數]▲