@book{403113, title = {Praktick\'a geometrie}, series = {GDML\_Books}, publisher = {Jednota \v cesk\'ych matematik\r u a fysik\r u}, address = {Praha}, year = {1945}, language = {cs}, url = {http://dml.mathdoc.fr/item/403113} }
Potužák, Pavel. Praktická geometrie. GDML_Books (1945), http://gdmltest.u-ga.fr/item/403113/