@misc{Philos_Christos_A_1981, author={Philos, Christos}, volume={29}, editor={Polska Akademia Nauk.}, editor={Państwowe Wydawnictwo Naukowe (1951–1992)}, number={7-8}, copyright={Rights Reserved - Restricted Access}, address={Varsovie}, howpublished={online}, year={1981}, publisher={Państwowe Wydawnictwo Naukowe}, language={eng}, title={A new criterion for the oscillatory and asymptotic behaviour of delay differential equations}, type={Text}, }