共 23 条
[3]
BECKER BA, 1961, DIRECTIONAL DISTRIBU, P7
[5]
COURANT R, 1937, METHODS MATHEMATICAL
[7]
FOX GR, 1963, J ACOUST SOC AM, V35, P811
[8]
GOZZO RS, 1973, NUSC4505 TECHN REP
[9]
ISAACSON E, 1966, ANALYSIS NUMERICAL M
[10]
LEE D, 1976, NUSC5375 TECHN REP