Multi-bubble nodal solutions for slightly subcritical elliptic problems in domains with symmetries

Bartsch, Thomas; DʼAprile, Teresa; Pistoia, Angela

Annales de l'I.H.P. Analyse non linéaire, Volume 30 (2013) p. 1027-1047

Three nodal solutions of singularly perturbed elliptic equations on domains without topology

Bartsch, Thomas; Weth, Tobias

Annales de l'I.H.P. Analyse non linéaire, Volume 22 (2005) p. 259-281

A generalization of the Weinstein-Moser theorems on periodic orbits of a hamiltonian system near an equilibrium

Bartsch, Thomas

Annales de l'I.H.P. Analyse non linéaire, Volume 14 (1997) p. 691-718