@article{10_4064_ap77_2_4,
     author = {L. Bernal-Gonz\'alez and J. A. Prado-Tendero},
     title = {Sequences of differential operators: exponentials,
hypercyclicity and equicontinuity},
     journal = {Annales Polonici Mathematici},
     pages = {169--187},
     publisher = {mathdoc},
     volume = {77},
     number = {2},
     year = {2001},
     doi = {10.4064/ap77-2-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap77-2-4/}
}