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OCR
This work was supported by the Hungarian Academy of Sciences. L'Harmattan France 5-7 rue de l Ecole Polytechnique 75005 Paris Gusztav Szelényi Memorial Foundation H-1118 Budapest, Villanyi ut 29-43, Hungary © Gusztav Szelényi, 1957 © Gabor L. Lévei, 2019 © Editor Viktor Markö, 2022 © Editions LHarmattan, 2022 ISBN 978-2-14-030699-0 DOI: https://doi.org/10.56037/978-2-14-030699-0 http:/www.harmattan.fr diffusion.harmattan@wanadoo.fr www.amazon.com Cover design: Tanäs Otté Sellyei Page-setting: Krisztina Csernäk
