@inbook{401364, title = {5. O n\'asoben\'\i\ v mno\v zin\v e}, booktitle = {\'Uvod do teorie grup}, series = {GDML\_Books}, publisher = {Kr\'alovsk\'a \v cesk\'a spole\v cnost nauk}, address = {Praha}, year = {1944}, pages = {24-27}, url = {http://dml.mathdoc.fr/item/401364} }
(éd.). 5. O násobení v množině, dans Úvod do teorie grup, GDML_Books, (1944), pp. 24-27. http://gdmltest.u-ga.fr/item/401364/