UZILISH NUQTALARI CHEKLI BO‘LGAN FUNKSIYALARNING RIMAN INTEGRALLANISHI. ITFTTDM [Internet]. 2025 Dec. 26 [cited 2026 May 18];3(12):350-4. Available from: https://universalpublishings.com/index.php/itfttdm/article/view/15716