M. Megan, A. L. Sasu, y B. Sasu, «Stabilizability and controllability of systems associated to linear skew-product semiflows», Rev. mat. complut., vol. 15, n.º 2, pp. 599–618, ene. 2002, doi: https://doi.org/10.5209/rev_REMA.2002.v15.n2.16932