共 4 条
[1]
BAKER GA, 1979, RAIRO-ANAL NUMER-NUM, V13, P75
[2]
CROUZEIX M, 1975, THESIS U PARIS 6
[3]
KREIN SG, 1971, TRANSL MATH MONOGRAP, V29
[4]
SERBIN SM, 1979, APPL MATH COMPUT, V5, P57