Regular L -fuzzy topological spaces and their topological modifications. Kubiak, T., de Prada Vicente, M.A. (2000) International Journal of Mathematics and Mathematical Sciences
Regularity and normality on L-topological spaces. I. Daraby, Bayaz (2010) Acta Universitatis Apulensis. Mathematics - Informatics
Related fixed point theorems in fuzzy metric spaces. Rao, K.P.R., Aliouche, Abdelkrim, Babu, G.Ravi (2008) The Journal of Nonlinear Sciences and its Applications
Relationship of algebraic theories to powerset theories and fuzzy topological theories for lattice-valued mathematics. Rodabaugh, S.E. (2007) International Journal of Mathematics and Mathematical Sciences
R-fuzzy Strongly Preopen Sets in Fuzzy Topological Spaces Y.C. Kim, A.A. Ramadan, S.E. Abbas (2003) Matematički Vesnik