How many movies have Igor Bolgarin and Tymofiy Levchuk collaborated on?

They have worked on 4 movies together! Their first movie together was Poem of Kovpak: Alarm (1974) while their highest rated movie together was Poem of Kovpak: Carpathians, Carpathians... (1978). They have not worked together since От Буга до Вислы (1981). They are most known for their war films together.