@article{55b055d4-5a2c-4c74-a0f6-ec886eeff35b,
author = {Jan Štěpán},
title = {Systemy normatywne},
journal = {Principia},
volume = {2001},
number = {Tom 29},
year = {2001},
issn = {0867-5392},
pages = {91-120},keywords = {},
abstract = {},
doi = {},
url = {https://ejournals.eu/czasopismo/principia/artykul/systemy-normatywne}
}