Search results for: Heping Zhang
Science China Mathematics > 2014 > 57 > 9 > 1883-1890
Science China Mathematics > 2010 > 53 > 4 > 1039-1044
Science China Mathematics > 2014 > 57 > 9 > 1883-1890
Science China Mathematics > 2010 > 53 > 4 > 1039-1044