@book{401358, title = {\'Uvod do teorie grup}, series = {GDML\_Books}, publisher = {Kr\'alovsk\'a \v cesk\'a spole\v cnost nauk}, address = {Praha}, year = {1944}, mrnumber = {MR0016099}, zbl = {0061.02103}, language = {cs}, url = {http://dml.mathdoc.fr/item/401358} }
Borůvka, Otakar. Úvod do teorie grup. GDML_Books (1944), http://gdmltest.u-ga.fr/item/401358/