How many movies have František Belfín and Ivan Richter collaborated on?

They have worked on 4 movies together! Their first movie together was Poslední ples na rožnovské plovárně (1975) while their highest rated movie together was Píseň o stromu a růži (1979). They have not worked together since Píseň o stromu a růži (1979). They are most known for their drama films together.