共 7 条
[1]
[Anonymous], 1949, VARIATIONAL PRINCIPL
[3]
Dicke R.H, 1964, THEORETICAL SIGNIFIC
[4]
HERTZ H, 1956, PRINCIPLES MECHANICS
[5]
Mach E., 1960, SCIENCE MECHANICS, P284
[6]
[No title captured]
[7]
1974, NATURE, V250, P606