共 6 条
[1]
Duffing G., 1918, ERZWUNGENE SCHWINGUN
[2]
JACOBSEN LS, 1930, T A S M E, P15
[3]
MARTIENSSEN O, 1910, ELEKTROTECH Z, P204
[4]
RUDENBERG R, 1923, Z ANGEW MATH MECH, P454
[5]
TIMOSHENKO, VIBRATION PROBLEMS E, P72
[6]
1932, T A S M E, P15