Translate the following English sentence to French:
"I expect Ta Mok and his main lieutenants to be tried and sentenced by the establishment of a tribunal whose impartiality is guaranteed by the United Nations."
J' attends de la mise sur pied d' un tribunal, dont l' impartialité sera garantie par les Nations unies, le jugement et la condamnation de Ta Mok et de ses principaux lieutenants.