[1]
A. A. Polovina, “Hausdorff diameter of a nonsymmetric class of vector functions”,
Ukr. Mat. Zhurn.
, vol. 50, no. 11, pp. 1570–1573, Nov. 1998, Accessed: Apr. 13, 2025. [Online]. Available:
https://umj.imath.kiev.ua/index.php/umj/article/view/4812