中国科学院数学与系统科学研究院期刊网
JSSC
SOME NONLINEAR APPROXIMATIONS FOR MATRIX-VALUED FUNCTIONS$^*1)$
Guo Liang XU
SOME NONLINEAR APPROXIMATIONS FOR MATRIX-VALUED FUNCTIONS$^*1$
Guo Liang XU
Journal of Computational Mathematics . 2003, (6): 801 -814 .