N. Subramanian and  U. K. Misra and  M. S. Panda,  On λ− Summable of Orlicz Space of Entire Sequences of Fuzzy Numbers.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    July 2009, vol. 31(7). 533 - 537
    [viewed 19 January 2022]. Available from: https://publications.waset.org/pdf/3855.