Received:February 04, 1989  
Key Words:   
Fund Project:
Author NameAffiliation
韩绍岑 四川师范学院数学系 
Hits: 2095
Download times: 1120
Abstract:
      
Citation:
DOI:10.3770/j.issn:1000-341X.1991.01.031
View Full Text  View/Add Comment