@article{3cc3f020-51c6-4c0d-98c7-2bda7751486a,
author = {Sławomir Szymański},
title = {Problem refleksji zewnętrznej w Nauce logiki},
journal = {Principia},
volume = {2009},
number = {Vol 51-52},
year = {2009},
issn = {0867-5392},
pages = {43-60},keywords = {},
abstract = {},
doi = {},
url = {https://ejournals.eu/en/journal/principia/article/problem-refleksji-zewnetrznej-w-nauce-logiki}
}