共 17 条
[1]
Erd P., 1972, P C CONSTR THEOR FUN, P145
[2]
HELMS LL, 1969, PURE APPLIED MATH, V22
[3]
KEMPERMAN JHB, 1979, NEDERL AKAD WETENS A, V82, P13
[4]
LACHANCE MA, 1979, CONSTRUCTIVE APPROAC
[5]
Lorentz G. G., 1977, PROC INTERNAT SYMPOS, P289
[6]
Mhaskar H. N., 1983, APPROXIMATION THEORY, P619
[9]
SAFF EB, 1983, APPROXIMATION THEORY, V4, P219
[10]
Shohat JA, 1943, MATH SURVEYS, V1