Received:December 26, 1991  Revised:November 25, 1994
Key Words:   
Fund Project:
Author NameAffiliation
郎国放 山东经济学院数学经济研究所 
Hits: 1719
Download times: 847
Abstract:
      
Citation:
DOI:10.3770/j.issn:1000-341X.1995.02.031
View Full Text  View/Add Comment