ROCKY MOUNTAIN JOURNAL OF MATHEMATICS, vol.38, no.3, pp.1011-1035, 2008 (Journal Indexed in SCI)
Article / Article
Title of Journal :
ROCKY MOUNTAIN JOURNAL OF MATHEMATICS
In this paper, we are concerned with a class of nonlinear damped differential equations of even order. By using the generalized Riccati technique and the integral averaging technique, new oscillation criteria are obtained for every solution of the equations to be oscillatory.