Terms for subject Mathematics containing be late

English	Russian
by the late 1980s	к концу 80-х годов
Data processing was scheduled in late 1994	обработка данных была запланирована на конец 1994 г. ...
in the late 1960s	в конце 1960-х
in the mid and late 1960's	в середине и конце ... годов
Interest in this waned in the late 1970s	ослабнуть