The talks are scheduled to last four years but could well take longer.
But two officials said no new talks had been scheduled.
No new talks have been scheduled, the management group said.
These talks, under way for the past two years, are scheduled to wind up in 1990.
American officials said the talks, first scheduled to end on Sunday, went late into the night again today.
No talks were scheduled for the rest of the weekend.
The talks had originally been scheduled to last only one day.
The talks had originally been scheduled for only one day.
The talks had originally been scheduled to end on Friday.
The talks are scheduled to end next month in Brussels.
