Ciric, D. G., and V. D. Pavlovic. “Linear Phase Two-Dimensional FIR Digital Filter Functions Generated by Applying Christoffel-Darboux Formula for Orthonormal Polynomials”. Elektronika ir Elektrotechnika 120, no. 4 (April 3, 2012): 39-42. Accessed March 28, 2024. https://eejournal.ktu.lt/index.php/elt/article/view/1449.