Stoyan Y, Pankratov A, Romanova TE, Chernov NI. Quasi-phi-functions for a mathematical modeling of the relations of geometric objects . Dopov. Nac. akad. nauk Ukr. [Internet]. 2025 Mar. 6 [cited 2026 Apr. 18];(9):49-54. Available from: https://nasu-periodicals.org.ua/index.php/dp/article/view/16684