Sandeep Kaur Chouhan and  Jatinderdeep Kaur and  S. S. Bhatia,  L1-Convergence of Modified Trigonometric Sums.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    May 2016, vol. 114(6). 330 - 333
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/10004897.