  We present a general method to find the upper and lower bounds on the
generalized entanglement of formation for multi-party systems. The upper and
lower bounds can be expressed in terms of the bi-partite entanglements of
formation and/or entropies of various subsystems. The examples for tri- and
four-party systems in the both pure states and mixed states are given. We also
suggest a little modified definition of generalized entanglement of formation
for multi-party systems if EPR pairs are thought of belonging to the set of
maximally entangled states.
