vol. 41, no. 5 (2021)

Oscillation criteria for linear difference equations with several variable delays
Vasileios Benekas, Ábel Garab, Ardak Kashkynbayev, Ioannis P. Stavroulakis
Opuscula Math. 41, no. 5 (2021), 613-627, https://doi.org/10.7494/OpMath.2021.41.5.613