НИКИФОРЧИН, І. В.; NYKYFORCHYN, O.R.; PENHRYN, V.M. THE LATTICE OF PARTIAL ULTRAPSEUDOMETRICS. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number, [S. l.], n. 19(73), p. 67–73, 2024. DOI: 10.31471/2304-7399-2024-19(73)-67-73. Disponível em: https://pvntsh.nung.edu.ua/index.php/number/article/view/2011. Acesso em: 15 jan. 2025.