The permanence in a single species nonautonomous system with delays and feedback control.
The role of delay in digestion of plankton by fish population: A fishery model.
The Second Half-With a Quarter of a Century Delay
We show how results by Diekmann et al. (2007) on the qualitative behaviour of solutions of delay equations apply directly to a resource-consumer model with age-structured consumer population.
Twin periodic solutions of predator-prey dynamic system on time scales.