共 19 条
[1]
Beckenback E. F., 1965, INEQUALITIES
[2]
Ben-Israel A., 1970, B AM MATH SOC, V76, P426
[6]
BOURBAKI N, 1953, ESPACES VECTORIELS T, pCH2
[7]
Bourbaki N., 1953, ACTUAL SCI IND, V1189
[8]
BUCK RC, 1965, APPROXIMATION FUNCTI, P27