[1] YU Y H, FU X L. Oscillation of second order nonlinear neutral equation with continuous distributed deviating argument [J]. Rad Math 1991. [2] Peiguang Wang, Xuewen Li. Further results on oscillation of a class of second-order neutral equations [J]. Journal of Computational and Applied Mathematics 2003, 2(2). [3] WANG P G, YU Y H. Oscillation of second order neutral equations with deviating arguments [J]. Math Journal Toyama University 1998, 21. [4] Peiguang Wang, Yonghong Wu. Oscillation of certain second-order functional differential equations with damping [J]. Journal of Computational and Applied Mathematics 2003, 1(1). [5] HSU H B, YEH C C. Oscillation theorems for second order half-linear differential equations [J]. Applied Mathematics Letters 1996. [6] LI H J, YEH C C. Oscillations of half-linear second order differential equations [J]. Hiroshima Mathematical Journal 1995, 25. [7] MANOJLOVI CJ V. Oscillation criteria for second-order half-linear differential equations [J]. Mathematical and Computer Modelling 1999, 20. [8] YANG X J. Oscillation results for second-order half-linear differential equations [J]. Mathematical and Computer Modelling 2002, 36. [9] Wang QR.. Oscillation and asymptotics for second-order half-linear differential equations [J]. Applied mathematics and computation 2001, 2(2). |