TY - CPAPER AU - López Gómez, Julián AU - Muñoz Hernández, Eduardo A2 - Rafael Gallego, Mariano Mateos PY - 2021 DO - 10651/59093 UR - https://hdl.handle.net/20.500.14352/134609 AB - This contribution analyzes the existence of $nT$-periodic coexistence states, for $n\geq1$, in two classes of non-autonomous predator-prey Volterra systems with periodic coefficients. In the first place, when the model is non-degenerate it is shown... LA - eng M2 - 258 TI - Minimal complexity of subharmonics in a class of planar periodic predator-prey models TY - conference paper ER -