Orlowski, P. “Generalised Fractional Indexes Approximation With Application to Discrete-Time Generalised Weyl Symbol Computation”. Elektronika ir Elektrotechnika 123, no. 7 (September 4, 2012): 13–16. Accessed February 8, 2026. https://eejournal.ktu.lt/index.php/elt/article/view/2367.