Lere-koppelmannıń tiykarǵı integrallıq formulası hám onnan kelip shıǵıwshı nátiyje (B. Qutlımuratov & A. Ubbiniyazova, Trans.). (2022). FAN Va JAMIYAT, 1-1, 18-19. https://journal.ndpi.uz/ss/article/view/1611