共 5 条
[1]
Birkhoff G., 1915, REND CIRC MAT PALERM, V39, P1
[2]
Hill G.W., 1878, J MATH-UK, P5, DOI DOI 10.2307/2369430
[3]
Hill G. W., 1878, AM J MATH, V1, P5, DOI DOI 10.2307/2369430
[4]
Hill GW., 1878, AM J MATH, V1, P245, DOI [10.2307/2369313, DOI 10.2307/2369313]
[5]
Poincare H., 1899, EQUILIBRIUM PHYS REV