13. O grupách tříd
Úvod do teorie grup, GDML_Books, (1944), p. 63-68 / Harvested from
@inbook{401372,
     title = {13. O grup\'ach t\v r\'\i d},
     booktitle = {\'Uvod do teorie grup},
     series = {GDML\_Books},
     publisher = {Kr\'alovsk\'a \v cesk\'a spole\v cnost nauk},
     address = {Praha},
     year = {1944},
     pages = {63-68},
     url = {http://dml.mathdoc.fr/item/401372}
}
 (éd.). 13. O grupách tříd, dans Úvod do teorie grup, GDML_Books,  (1944), pp. 63-68. http://gdmltest.u-ga.fr/item/401372/