@article{b0980d4b-989a-44c5-8946-b25fd0bd3747,
author = {H.  Jones},
title = {Heraklit - fragment 31},
journal = {Principia},
volume = {1998},
number = {Tom 21-22},
year = {1998},
issn = {0867-5392},
pages = {227-232},keywords = {},
abstract = {},
doi = {},
url = {https://ejournals.eu/czasopismo/principia/artykul/heraklit-fragment-31}
}