Turdiyev, U.Q., et al. “YARIM TIPLI TENGLAMALAR TIZIMINING KO‘CHMA TO‘LQIN KO‘RINISHDAGI YECHIMI”. FAN Va JAMIYAT, no. 1-1, Feb. 2026, pp. 40-43, https://journal.ndpi.uz/ss/article/view/2026-1-1-012.