Qobiljon Solijonovich G`oziyev. “MURAKKAB ARALASH TURDAGI UCHINCHI TARTIBLI BIR TENGLAMA UCHUN CHEGARAVIY MASALANING YECHIMNI MAVJUDLIGI TEOREMASI”. IMRAS, vol. 8, no. 2, Mar. 2025, pp. 119-25, https://journal.imras.org/index.php/sps/article/view/2072.