Electronic Journal of Differential Equations,
Vol. 2002(2002), No. 62, pp. 1-13.

Title: A three-point boundary-value problem for a hyperbolic 
       equation with a  non-local condition

Authors: Said Mesloub (Univ. of Tebessa,  Algeria)
         Salim A. Messaoudi (KFUPM, Saudi Arabia)
         
Abstract: 
  We use an energy method to solve a three-point boundary-value 
  problem for a hyperbolic equation with a Bessel operator and an 
  integral condition. The proof is based on an energy inequality 
  and  on the fact that the range of the operator generated is dense.
   
Submitted April 16, 2002. Published July 3, 2002.
Math Subject Classifications: 35L20, 35L67, 34B15.
Key Words: Wave equation; Bessel operator; nonlocal condition.