@ARTICLE {,
title = {62. Medzinárodná matematická olympiáda 14. – 24. 7. 2021 Saint-Petersburg, Ruská federácia},
author = {Bak, Patrik},
journal = {Obzory matematiky, fyziky a informatiky},
year = {2021},
volume = {50},
number = {3},
pages = {62--64},
issn = {1335-4981},
note = {Inform{'a}cie},
}