[1] M. K. Grammatikopoulos Y. G. Sficas, V. A. Staikos: Oscillatory properties of strongly superlinear differential equations with deviating arguments. J. Math. Anal. Appl. 67 (1979), 171-187. MR 0524471

[2] A. G. Kartsatos: Oscillation properties of solutions of even order differential equations. Bull. Fac. Sci., Ibaraki Univ., Math., 2 (1969), 9-14. MR 0254327 | Zbl 0225.34021

[3] I. T. Kiguradze: On the oscillation of solutions of the equation $\frac{d^m u}{dt^m}+ a(t) u^n \sgn u = 0$. (Russian), Mat. Sb. 65 (1964), 172-187. MR 0173060

[4] I. T. Kiguradze: The problem of oscillation of solutions of nonlinear differential equations. (Russian), Differenciaľnye Uravnenija 1 (1965), 995-1006. MR 0194689 | Zbl 0155.41802

[5] T. Kusano, H. Onose: Asymptotic behavior of nonoscillatory solutions of functional equations of arbitrary order. J. London Math. Soc. 14 (1976), 106-112. MR 0422818

[6] T. Kusano, H. Onose: Nonoscillation theorems for differential equations with deviating argument. Pacific J. Math. 63 (1976), 185-192. MR 0417536 | Zbl 0342.34058

[7] D. L. Lovelady: Oscillation and even order linear differential equations. Rocky Mountain J. Math. 6 (1976), 299-304. MR 0390370 | Zbl 0335.34019

[8] Ch. G. Philos: Oscillatory and asymptotic behavior of the bounded solutions of differential equations with deviating arguments. Hiroshima Math. J. 8 (1978), 31-48. MR 0481368 | Zbl 0378.34055

[9] Ch. G. Philos: An oscillatory and asymptotic classification of the solutions of differential equations with deviating arguments. Atti Accad. Naz. Lincei, Rend. Cl. Sci. Fis. Mat. Natur., 63 (1977), 195-203. MR 0526121

[10] Ch. G. Philos: Oscillatory and asymptotic behavior of all solutions of differential equations with deviating arguments. Proc. Roy. Soc. Edinburgh Sect. A 81 (1978), 195-210. MR 0516413

[11] Ch. G. Philos: On the oscillatory and asymptotic behavior of the bounded solutions of differential equations with deviating arguments. Ann. Mat. Pura Appl., in press. Zbl 0414.34075

[12] Ch. G. Philos Y. G. Sficas, V. A. Staikos: Some results on the asymptotic behavior of nonoscillatory solutions of differential equations with deviating arguments. to appear. MR 0652407

[13] Ch. G. Philos, V. A. Staikos: Non-slow oscillations with damping. University of Ioannina, Technical Report No 92, March 1977.

[14] Ch. G. Philos, V. A. Staikos: Quick oscillations with damping. Math. Nachr., to appear. MR 0563581 | Zbl 0439.34057

[15] Y. G. Sficas: Retarded actions on oscillations. Bull. Soc. Math. Grèce 17 (1976), 1-10. MR 0492733 | Zbl 0383.34024

[16] Y. G. Sficas: The effect of the delay on the oscillatory and asymptotic behavior of n-th order retarded differential equations. J. Math. Anal. Appl. 49 (1975), 748-757. MR 0364818 | Zbl 0299.34100

[17] Y. G. Sficas, I. P. Stavroulakis: On the oscillatory and asymptotic behavior of a class of differential equations with debating arguments. SIAM J. Math. Anal., 9 (1978), 956-966. MR 0508836

[18] V. A. Staikos, Ch. G. Philos: On the asymptotic behavior of nonoscillatory solutions of differential equations with deviating arguments. Hiroshima Math. J. 7 (1977), 9-31. MR 0435559 | Zbl 0354.34076

[19] V. A. Staikos, Ch. G. Philos: Asymptotic properties of nonoscillatory solutions of differential equations with deviating argument. Pacific J. Math., 70 (1977), 221-242. MR 0466876 | Zbl 0377.34038

[20] V. A. Staikos, Ch. G. Philos: Nonoscillatory phenomena and damped oscillations. Nonlinear Analysis, Theory, Methods and Applications, 2 (1977), 197-210. MR 0512283

[21] I. P. Stavroulakis: Differential Equations with Deviating Arguments-Contribution to the study of oscillatory and asymptotic properties of the solutions. (Greek), Ph. D. Thesis, University of Ioannina, 1976.