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Tài liệu tham khảo WikiPedia: Girard Desargues http://galileo.rice.edu/Catalog/NewFiles/desargue.... http://catalogo.bne.es/uhtbin/authoritybrowse.cgi?... http://gallica.bnf.fr/ark:/12148/btv1b8626269n http://data.bibliotheken.nl/id/thes/p074513575 http://www-history.mcs.st-andrews.ac.uk/Biographie... https://trove.nla.gov.au/people/984590 https://aleph.nkp.cz/F/?func=find-c&local_base=aut... https://www.getty.edu/vow/ULANFullDisplay?find=&ro... https://genealogy.math.ndsu.nodak.edu/id.php?id=12... https://catalogue.bnf.fr/ark:/12148/cb11899746z
