@incollection{401787,
title = {Gerbert z Aurillacu - Silvestr II},
booktitle = {Matematika ve st\v redov\v ek\'e Evrop\v e},
series = {GDML\_Books},
publisher = {Prometheus},
address = {Praha},
year = {2001},
pages = {184-229},
url = {http://dml.mathdoc.fr/item/401787}
}
Bečvářová, Martina. Gerbert z Aurillacu - Silvestr II, dans Matematika ve středověké Evropě, GDML_Books, (2001), pp. 184-229. http://gdmltest.u-ga.fr/item/401787/