Eunsang Kim, Tae Ryong Park
      Furstenberg theorem for frequently hypercyclic operators
      International Journal of Mathematical Analysis, Vol. 8, 2014, no. 43, 2109-2114
      http://dx.doi.org/10.12988/ijma.2014.48266

Copyright © 2014 Eunsang Kim and Tae Ryong Park. This article is distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.