Fuzzy h-ideals of a $\Gamma-$hemiring and its operator hemirings
  Various correspondence between fuzzy h-ideals of a $\Gamma$-hemiring and fuzzy h-ideals of its operator hemirings are established and some of their characterizations are given using lattice structure and cartesian product. 
S. K. Sardar, B. Davvaz, D. Mandal
math.GM