How many movies have Aleksandr Pankratov and Oleg Golubitsky collaborated on?

They have worked on 4 movies together! Their first movie together was The Laboratory (1979) while their highest rated movie together was You're Happy, Zhenka! (1984). They have not worked together since Farewell, Punks of Zamoskvorechye... (1987). They are most known for their drama films together.