Ishankulov T., and Abdurahmonov B. “BIR OʻZGARUVCHILI METAANALITIK TENGLAMA YECHIMINI SOHA CHEGARASINING QISMIDAN DAVOM ETTIRISH MASALASI UCHUN KARLEMAN FORMULASI”. Miasto Przyszłości 54 (November 30, 2024): 1741–1743. Accessed December 22, 2024. https://miastoprzyszlosci.com.pl/index.php/mp/article/view/5525.