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.journals.vu.lt/LMR/article/view/24214.. Acesso em: 7 may. 2024.