Search results for: Changjin Xu
Open Mathematics > 2017 > 15 > 1 > 1258-1266
International Journal of Applied Mathematics and Computer Science > 2011 > 21 > 1 > 97-107
Open Mathematics > 2017 > 15 > 1 > 1258-1266
International Journal of Applied Mathematics and Computer Science > 2011 > 21 > 1 > 97-107