A note on oscillation of second-order delay differential equations

@article{Dzurina2017ANO,
  title={A note on oscillation of second-order delay differential equations},
  author={Jozef Dzurina and Irena Jadlovsk{\'a}},
  journal={Appl. Math. Lett.},
  year={2017},
  volume={69},
  pages={126-132}
}