Rakhimov, Doston, and Murodullo Toshpulatov. “BOUNDARY POINT PROBLEM FOR A SYSTEM OF SECOND-ORDER NONCLASSICAL EQUATIONS”. Techscience uz - Topical Issues of Technical Sciences 3, no. 2 (June 11, 2025): 18–22. Accessed July 31, 2025. http://techscience.uz/index.php/jurnal/article/view/110.