- CHRISTOS G. PHILOS, Differential Equations of General Type with
Deviating Arguments: Contribution to the Study of the Oscillatory and Asymptotic Behavior,
*Doctoral Dissertation,*School of Physics and Mathematics, University of Ioannina, Greece, 1977. (In Greek.)

- Published in the
**Papers 7, 8, 9, 10, 12 and 14**of the list of all papers which follows.

- CHRISTOS G. PHILOS, Oscillation and Asymptotic Behavior of Differential Equations with Deviating Aguments,
*Docent Promotion Thesis,*School of Physics and Mathematics, University of Ioannina, Greece, 1981. (In Greek.)

- Published in the
**Papers 21, 22, 28, 29, 30 and 31**of the list of all papers which follows.

- Published in the