共 13 条
[1]
ANDRONOV AA, 1971, QUALITATIVE THEORY S
[2]
DENHARTOG JP, 1934, MECHANICAL VIBRATION
[3]
Hale JK., 1969, ORDINARY DIFFERENTIA
[4]
Hirsch MW., 1974, DIFF EQUAT+, DOI DOI 10.1016/S0079-8169(08)X6044-1
[6]
HOLMES PJ, UNPUBLISHED
[7]
LEFSHETZ S, 1959, DIFFERENTIAL EQUATIO
[8]
LIN YK, P ASCE J ENGINEERING
[9]
NAUDASCHER E, 1974, 1972 P IUTAM IAHR S
[10]
Novak M., 1969, J ENG MECH DIV-ASCE, V96, P115