OBREMSKI, Krzysztof. Julian Przyboś’s Victory and The Defeat of Theory of Equivalence: A Professor of Middle School and a Pupil – a "Grey-haired Madcap" and a Daughter. Literatura Ludowa. Journal of Folklore and Popular Culture. Online. 19 December 2018. No. 4-5, pp. 17-25. [Accessed 27 April 2024]. DOI 10.12775/LL.4-5.2018.002.