Kaminskienė, Bronislava, and Vitalija Avdejenkova. “Stability Analysis of Parameters of the GDP Components Models”. Lietuvos matematikos rinkinys 43, no. spec. (December 22, 2003): 492–496. Accessed October 27, 2026. https://zurnalai.vu.lt/LMR/article/view/32511.