共 13 条
[2]
CHEEGER J, 1980, P S PURE MATH, V36, P91
[3]
Friedlander FG., 1958, SOUND PULSES
[6]
Lebedev NN, 1972, SPECIAL FUNCTIONS TH
[7]
Majda A., 1977, COMMUN PART DIFF EQ, V2, P395
[9]
Sommerfeld A., 1896, MATH ANN, V47, P317, DOI [DOI 10.1007/BF01447273, 10.1007/BF01447273]
[10]
Stakgold I., 1967, BOUNDARY VALUE PROBL, VII