“…where f ∈ C([1, ∞) × ,ޒ )ޒ have been widely investigated by Cohen [1], Constantin [2], Dannan [5], Fan Wei Meng [6], S. Rogovchenko and Y. Rogovchenko [12], Tong [13] and Trench [14]. Using integral inequalities, these papers were concerned with sufficient conditions which ensure that all solutions of (1) will approach those of u = 0.…”