Prishlyak O, Kiosak V, Savchenko O. Distinguishing graph of function with three critical points on a closed 3-manifold . Ukr. Mat. Zhurn. [Internet]. 2025 Oct. 31 [cited 2025 Dec. 5];77(1):28-46. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/8095