Ne`matova Shohsanam Nodirbek qizi, Obidjonova Diyoraxon Qudratjon qizi. IKKINCHI TARTIBLI XUSUSIY HOSILALI DIFFERENTSIAL TENGLAMALAR BILAN TAVSIFLANADIGAN OPTIMAL BOSHQARUV MASALALARINI SONLI YECHISH. . tadqiqot. 2025;63(1):208-217. Accessed August 14, 2025. https://scientific-jl.com/tad/article/view/16477