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Nykyforchyn IV, Nykyforchyn OR, Penhryn VM. THE LATTICE OF PARTIAL ULTRAPSEUDOMETRICS. Number [Internet]. 2024 Dec. 10 [cited 2026 Apr. 16];(19(73):67-73. Available from: https://www.pvntsh.nung.edu.ua/index.php/number/article/view/2011