Vol. 57 No. 3 (1999)
Eleonora Ciriza,
Bifurcation of periodic orbits of time dependent Hamiltonian systems on symplectic manifolds
p. 161-174,
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Abdou Kouider Ben-Naoum,
The role of the Lagrange constant in some nonlinear waves equations
p. 175-186,
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G. De Marco,
Linearization of nonholonomic systems at equilibrium points
p. 187-198,
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C. Borelli, C. Invernizzi,
Sulla stabilità dell'equazione funzionale dei polinomi
p. 199-210,
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F. Salvarani,
Diffusion limits for the initial-boundary value problem of the Goldstein-Taylor model
p. 211-222,
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