WASET
    Sambit Prasad Kar and  P.Palanisamy,  A Propagator Method like Algorithm for Estimation of Multiple Real-Valued Sinusoidal Signal Frequencies.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2012, vol. 62(2). 239 - 243
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/4265.