Никифорчин ІВ, Nykyforchyn O, Penhryn V. THE LATTICE OF PARTIAL ULTRAPSEUDOMETRICS. Number [Internet]. 2024 Dec. 10 [cited 2025 Jan. 15];(19(73):67-73. Available from: https://pvntsh.nung.edu.ua/index.php/number/article/view/2011