| 信州大学附属図書館OPAC

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	Periodic solutions with a prescribed period for a class of Lagrangian systems	A. Capozzi, D. Fortunato, A. Salvatore
	Simple methods for Hopf-type bifurcations in differential equations of order larger than one	G. Cicogna
	Periodic solutions of convex Hamiltonian systems	I. Ekeland
	Some results on solutions of minimal period to Hamiltonian systems	M. Girardi, M. Matzeu
	Remarks on periodic solutions of second order Hamiltonian systems in a[n] unbounded potential well	C. Greco
	On the existence of periodic solutions for a three dimensional differential system	C. Maffei
	Alcuni risultati di stabilità per equazioni differenziali astratte del secondo ordine	P. Marcati
	Bifurcation and stability for periodic mechanical systems	V. Moauro
	Hopf bifurcation at 1:1 resonance	P. Negrini
	Sharp non resonance conditions for periodic boundary value problems	P. Omari, F. Zanolin
	Soluzioni periodiche di sistemi hamiltoniani, di tipo fisico, perturbati	R. Pisani, M. Tucci
	Bifurcation and stability problems for periodic differential systems	L. Salvadori

	Periodic solutions with a prescribed period for a class of Lagrangian systems	A. Capozzi, D. Fortunato, A. Salvatore
	Simple methods for Hopf-type bifurcations in differential equations of order larger than one	G. Cicogna
	Periodic solutions of convex Hamiltonian systems	I. Ekeland