Šimonytė, Virginija, Gražina Pyž, and Vytautas Slivinskas. “Application of the MUSIC Method for Estimation of the Signal Fundamental Frequency”. Lietuvos matematikos rinkinys 50, no. proc. LMS (December 20, 2009): 391–396. Accessed January 18, 2026. https://www.zurnalai.vu.lt/LMR/article/view/17997.