共 6 条
[3]
CARSLAW HS, 1916, P LOND MATH SOC, V15, P84
[4]
GUPTA KC, 1981, COMPUT AIDED DESIGN, P247
[5]
KNESER JCC, 1907, MATH ANN, V63, P510
[6]
WATSON GN, 1966, TREATISE THEORY BESS, P499