@inbook{402407,
title = {3. Abacistick\'a po\v ct\'a\v rsk\'a pom\r ucka},
booktitle = {Matematick\'e listy Gerberta z Reme\v se},
series = {GDML\_Books},
publisher = {Centrum Vivarium FF OU},
address = {Praha},
year = {2014},
pages = {81-88},
url = {http://dml.mathdoc.fr/item/402407}
}
(éd.). 3. Abacistická počtářská pomůcka, dans Matematické listy Gerberta z Remeše, GDML_Books, (2014), pp. 81-88. http://gdmltest.u-ga.fr/item/402407/