Velichko, H. V. “Analytical Method for Determining Coordinates of the Radiation Source in a Homogeneous Medium”. Technology and design in electronic equipment, no. 5–6 (December 25, 2015): 64-68. Accessed September 16, 2025. http://www.tkea.com.ua/index.php/journal/article/view/TKEA2015.5-6.64.