Kaukėnas, Jonas, and Gintautas Tamulevičius. “Analysis of Adequacy of Autoregressive Model for Lithuanian Vowels”. Lietuvos matematikos rinkinys 57, no. B (December 20, 2016): 19–24. Accessed October 28, 2025. https://test.zurnalai.vu.lt/LMR/article/view/17730.