Győri István and Hartung Ferenc: On the exponential stability of a state-dependent delay equation. In: Acta scientiarum mathematicarum, (66) 1-2. pp. 71-84. (2000)
Hartung Ferenc: Differentiability of solutions with respect to parameters in a class of neutral differential equations with state-dependent delays. (2021)
Győri István and Hartung Ferenc and Mohamady Nahed A.: Permanence in a class of delay differential equations with mixed monotonicity. (2018)
Győri István and Hartung Ferenc and Mohamady Nahed A.: Permanence in a class of delay differential equations with mixed monotonicity. (2018)
Hartung Ferenc: Differentiability of solutions with respect to the delay function in functional differential equations. (2016)
Hartung Ferenc: Differentiability of solutions with respect to the delay function in functional differential equations. (2016)
Győri István and Hartung Ferenc: Stability results for cellular neural networks with delays. (2004)