Sukrit Shankar and Chetana Shanta Patsa and Jaydev Sharma, Lower Bound of Time Span Product for a General Class of Signals in Fractional Fourier Domain. journal = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology. July 2008, vol. 19(7). 1423 - 1425 [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/8228.