# The Constant Factor

> 1980 film directed by Krzysztof Zanussi

**Wikidata**: [Q1405186](https://www.wikidata.org/wiki/Q1405186)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/The_Constant_Factor)  
**Source**: https://4ort.xyz/entity/the-constant-factor


## References

1. [Source](http://www.imdb.com/title/tt0080561/)
2. [Source](http://stopklatka.pl/film/constans)
3. Česko-Slovenská filmová databáze
4. Freebase Data Dumps. 2013
5. Entertainment Identifier Registry
6. [Source](http://www.allocine.fr/film/fichefilm_gen_cfilm=4443.html)
7. List of film licenses issued from 1945 to 2020
8. [Source](https://www.cnc.fr/professionnels/visas-et-classification/53285)
9. mymovies.it
10. The Movie Database
11. Trakt.tv
12. FilmVandaag.nl