Hale, J. K. Integral manifolds and nonlinear oscillations. (English) Zbl 0132.07102 Differ. Equ. Appl., Proc. Conf. Prague Sept. 1962, 39-54 (1963). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 Documents MSC: 34-XX Ordinary differential equations Keywords:ordinary differential equations × Cite Format Result Cite Review PDF Full Text: EuDML