154 citations · 798 across the 35 of their papers we have counts for
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math.AP2004★ 1 cited
Cantor families of periodic solutions for completely resonant nonlinear wave equations
M. Berti, P. Bolle
We prove existence of small amplitude, $2π\slash \om$-periodic in time solutions of completely resonant nonlinear wave equations with Dirichlet boundary conditions, for any frequen…
math.AP2004★ 1 cited
Bifurcation of free vibrations for completely resonant wave equations
M. Berti, P. Bolle
We prove existence of small amplitude, 2 pi/omega -periodic in time solutions of completely resonant nonlinear wave equations with Dirichlet boundary conditions for any frequency o…