@book { title = {Magyar Tudomány 2023/09}, year = {2023}, publisher = {Akadémiai Kiadó}, isbn = {}, doi = {}, URL = {https://mersz.hu/hivatkozas/matud202309_po-heading-id_4kewhOgcS0yOtFu7_U-OaQ_p2#matud202309_po-heading-id_4kewhOgcS0yOtFu7_U-OaQ_p2} }