Product and coproduct structures of (L, M)-fuzzy hull operators. - Hu Zhao; Li-Yan Jia; Gui-Xiu Chen (J. Intell. Fuzzy Syst., 2023)

Convex (L, M)-fuzzy remote neighborhood operators. - Hu Zhao; Li-Yan Jia; Gui-Xiu Chen (Kybernetika, 2024)