Journal:数学年刊
Co-author:李俊平
Indexed by:Unit Twenty Basic Research
Discipline:数学
Document Type:J
Volume:11A
Issue:4
Page Number:505-506
Translation or Not:no
Journal:数学年刊
Co-author:李俊平
Indexed by:Unit Twenty Basic Research
Discipline:数学
Document Type:J
Volume:11A
Issue:4
Page Number:505-506
Translation or Not:no