1.
Babenko VV, Babenko VF, Polishchuk MV. Approximation of some classes of set-valued periodic functions by generalized trigonometric polynomials. Ukr. Mat. Zhurn. [Internet]. 2016Apr.25 [cited 2024Apr.19];68(4):449-5. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/1851