ŠTIKONAS, Artūras. Editor Notice about Retracted  article. Lietuvos matematikos rinkinys, [S. l.], v. 66, n. A, p. 52, 2025. DOI: 10.15388/LMR.2025.44703. Disponível em: https://www.zurnalai.vu.lt/LMR/article/view/44703. Acesso em: 4 jan. 2026.