1. Oscillation criteria in delay equations;Arino;J. Differential Equations,1984
2. On the asymptotic behaviour of solutions of differential-difference equations of neutral type;Brumley;J. Differential Equations,1970
3. Oscillation theory of first order functional differential equations with deviating arguments;Fukagai;Ann. Mat.,1983
4. Oscillations of first order neutral delay differential equations;Grammatikopoulos;J. Math. Anal. Appl.,1986
5. Oscillation and Asymptotic Behaviour of First Order Neutral Differential Equations with Deviating Arguments;Grammatikopoulos;URI. T.R. No. 86,1985