In 1968, we had the Brezhnev doctrine of limited sovereignty.
But those who composed the Brezhnev doctrine have not been taken in by this line of thinking, at least not to date.
If any doubt remained that he has abandoned the Brezhnev Doctrine, it is surely ended now.
But the interventionist Brezhnev doctrine, in any case not conceived as an instrument of liberalisation, has been abandoned.
The foreign policy of the Soviet Union during this era was known as the Brezhnev Doctrine.
A long article in Pravda justifying the use of force to keep a country within the bloc became known as the Brezhnev doctrine.
But now there was no Brezhnev doctrine.
And this requires abandonment of the Brezhnev Doctrine.
That's what marked the demise of the Brezhnev doctrine that had legitimized Soviet intervention since 1968.
The latter invasion was codified in formal Soviet policy as the Brezhnev Doctrine.