1.
Alomari MW. A sharp companion of Ostrowski’s inequality for the Riemann–Stieltjes integral and applications. Ann. Univ. Paedagog. Crac. Stud. Math. [Internet]. 2016 Dec. 23 [cited 2026 Oct. 31];15:69-78. Available from: https://studmath.uken.krakow.pl/article/view/13143