@ARTICLE {,
title = {5. online Európska fyzikálna olympiáda (EuPhO) 19.6. - 26.6.2021},
author = {Mucha, Ľubomír},
journal = {Obzory matematiky, fyziky a informatiky},
year = {2021},
volume = {50},
number = {4},
pages = {67--70},
issn = {1335-4981},
note = {Informácie},
}