@inbook{402976, title = {\'Uvod}, 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 = {4-9}, url = {http://dml.mathdoc.fr/item/402976} }
(éd.). Úvod, dans Imaginární elementy v geometrii, GDML_Books, (1941), pp. 4-9. http://gdmltest.u-ga.fr/item/402976/