共 21 条
- [1] AMBARTSUMYAN SA, 1964, TTF118 NASA REP
- [2] Ashton J., 1970, THEORY LAMINATED PLA, V4
- [3] AUSTIN TC, UNPUBLISHED MEMO
- [4] Courant R, 1943, B AM MATH SOC, V49, P1, DOI [10.1090/S0002-9904-1943-07818-4, DOI 10.1090/S0002-9904-1943-07818-4]
- [6] Crandall I., 1927, THEORY VIBRATING SYS
- [7] GERMANO CP, 1971, IEEE T ACOUST SPEECH, VAU19, P6