2026-08-25T09:41:25Z https://rcin.org.pl/oai-pmh-repository.xml

oai:rcin.org.pl:1772 2022-01-17T11:29:41Z rcin.org.pl:partnerCollections:imat rcin.org.pl rcin.org.pl:partnerCollections:imat:mathematicaltables rcin.org.pl:partnerCollections:imat:books rcin.org.pl:literature rcin.org.pl:literature:booksChapters rcin.org.pl:partnerCollections:imat:books:bookxix rcin.org.pl:partnerCollections