We consider the following boundary value problem: <(x)double over dot> + de
l V (x) = 0, x(0) = x(0), x(T) = x(1), where T>0, x(0), x(1) is an element
of R-n are given. We prove that this problem has infinitely many solutions
provided V is even and superquadratic. (C) 1999 academic Press.