SOKOLOVAS, Sergejus; SOKOLOVAITĖ, Eglė. Equations and inequalities with parameter. Lietuvos matematikos rinkinys, [S. l.], v. 47, n. spec., p. 279–282, 2021. DOI: 10.15388/LMR.2007.24214. Disponível em: https://www.zurnalai.vu.lt/LMR/article/view/24214. Acesso em: 12 nov. 2025.