共 8 条
[1]
AGNEW R, 1942, DIFFERENTIAL EQUATIO
[2]
Allen R.G., 1965, MATH EC
[3]
BENAVIE A, 1972, MATH TECHNIQUES EC A
[4]
CHIANG AC, 1974, FUNDAMENTAL METHODS, pCH12
[5]
DRAPER JE, 1972, MATH ANAL, pCH3
[6]
EDWARDS CH, 1973, ADV CALCULUS SEVERAL, pCH2
[7]
NEVISON CH, 1981, LAGRANGE MULTIPLIERS
[8]
ROBERTS B, 1973, MODERN MATH EC ANAL, pCH5