Ewa Orlowska Anna Maria Radzikowska Representation theorems for some fuzzy logics based on residuated non-distributive lattices. 1247-1259 2008 159 Fuzzy Sets and Systems 10 http://dx.doi.org/10.1016/j.fss.2007.12.009 db/journals/fss/fss159.html#OrlowskaR08