1. Papež Silvestr II. – vědec a filozof Gerbert
(Czech) [1. Pope Silvestr II. - scientist and philosopher Gerbert].
In:
Otisk, Marek; Psík, Richard; Gerbert of Reims (other): Matematické listy Gerberta z Remeše.
(Czech).
Praha:
Centrum Vivarium FF OU,
2014.
978-80-7378-260-3,
pp. 11-38