Received:July 29, 1992  Revised:September 14, 1993
Key Words:   
Fund Project:
Author NameAffiliation
李秀萍 山西财经学院基础部 
Hits: 1657
Download times: 879
Abstract:
      
Citation:
DOI:10.3770/j.issn:1000-341X.1996.01.034
View Full Text  View/Add Comment