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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.