Benekas, Vasileios ; Garab, Abel ; Kashkynbayev, Ardak. Benekas, V., Garab, B., Kashkynbayev, A., & Stavroulakis, I. P. (2021). Oscillation criteria for linear difference equations with several variable delays. Opuscula Mathematica, 41(5), 613–627. https://doi.org/10.7494/opmath.2021.41.5.613.
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2021