共 5 条
[1]
ALBRECHT J., 1955, Z ANGEW MATH MECH, V35, P100
[3]
FEHLBERG E, 1972, TRR381 NASA
[4]
HENRICI P, 1962, DISCRETE VARIABLE ME, P171
[5]
NYSTROM E.J., 1925, ACTA SOC SCI FENN, V50, P1