@inbook{402977,
title = {1. Imagin\'arn\'\i\ elementy v geometrii},
booktitle = {Imagin\'arn\'\i\ elementy v geometrii},
series = {GDML\_Books},
publisher = {Jednota \v cesk\'ych matematik\r u a fysik\r u},
address = {Praha},
year = {1941},
pages = {9-16},
url = {http://dml.mathdoc.fr/item/402977}
}
(éd.). 1. Imaginární elementy v geometrii, dans Imaginární elementy v geometrii, GDML_Books, (1941), pp. 9-16. http://gdmltest.u-ga.fr/item/402977/