Stability regions for Hill's equation
Tài liệu tham khảo
Coddington, 1955
Hochstadt, 1960, A special Hill's equation with discontinuous coefficients, N.Y.U. Inst. of Math., Sci. Div. of EM Res. Report BR-32
Hoehn, 1965, Untersuchungen über die Stabilität von Hillschen Differential-gleichungen, Band 45, T39
Hoehn, 1969, On the coexistence problem for a special Hill's equation, ZAMM, 49, 679, 10.1002/zamm.19690491107
Ince, 1927
Jakubovič, 1972, Linear differential equations with periodic coefficients and their applications, Izdat. Nauka
Levy, 1963, Instability intervals of Hill's equation, Comm. Pure Appl. Math., 16, 469, 10.1002/cpa.3160160406
Magnus, 1966
