Zhyhallo K, Kharkevych Y. On some approximate properties of biharmonic Poisson integrals in the integral metric. Carpathian Math. Publ. [Internet]. 2024 Jun. 30 [cited 2024 Nov. 21];16(1):303-8. Available from: https://ktipe.pnu.edu.ua/index.php/cmp/article/view/7282