@book { title = {Magyar Tudomány 2020/11}, year = {2020}, publisher = {Akadémiai Kiadó}, isbn = {}, doi = {}, URL = {https://mersz.hu/hivatkozas/matud202011_po-heading-id_f2Pne_Fl9E2mClYkhHwvXg_p2#matud202011_po-heading-id_f2Pne_Fl9E2mClYkhHwvXg_p2} }