Gilewicz J. Story of rational approximation for the class of Stieltjes functions: From Stieltjes to recent optimal estimations of errors. Ukr. Mat. Zhurn. [Internet]. 1994 Jul. 25 [cited 2025 Apr. 24];46(7):941–943. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/5686