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Subharmonic Oscillations of Convex Hamiltonian-systems

Bibliographic reference Willem, Michel. Subharmonic Oscillations of Convex Hamiltonian-systems. In: Nonlinear Analysis: Theory, Methods & Applications, Vol. 9, no. 11, p. 1303-1311 (1985)
Permanent URL http://hdl.handle.net/2078.1/54925