A boundary value problem in the hyperbolic space.
A nonlinear second order problem with a nonlocal boundary condition.
Existence of solutions for some nonlinear beam equations.
An application of the antimaximum principle for a fourth order periodic problem.
Solutions to -systems by topological and iterative methods.
Existence and regularity of weak solutions to the prescribed mean curvature equation for a nonparametric surface.
An -system for a revolution surface without boundary.
Periodic solutions of a resonant higher order equation.
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