RADNAASUMBEREL, Gonchigdorzh. On some extremal problems in discrete geometry and applications of extremal graphs. Journal of Institute of Mathematics and Digital Technology, [S. l.], v. 6, n. 1, p. 14–23, 2024. DOI: 10.5564/jimdt.v6i1.3761. Disponível em: https://mongoliajol.info/index.php/JIMDT/article/view/3761. Acesso em: 5 dec. 2025.