共 22 条
[3]
Daugavet V. A., 1981, USSR COMP MATH MATH, V21, P19
[4]
FLETCHER R, 1982, MATH PROGRAM STUD, V17, P67
[7]
Kantorovich LV, 1982, FUNCTIONAL ANAL
[8]
Levitin ES., 1966, USSR COMP MATH MATH, V6, P1, DOI [DOI 10.1016/0041-5553(66)90114-5, 10.1016/0041-5553(66)90114-5]
[10]
MARATOS N, 1978, THESIS U LONDON LOND