4. Neřešené úlohy
O funkcích, GDML_Books, (1962), p. 54-55 / Harvested from
Access to full text
Full (PDF) 
@inbook{403462,
     title = {4. Ne\v re\v sen\'e \'ulohy},
     booktitle = {O funkc\'\i ch},
     series = {GDML\_Books},
     publisher = {Mlad\'a fronta},
     address = {Praha},
     year = {1962},
     pages = {54-55},
     url = {http://dml.mathdoc.fr/item/403462}
}

 (éd.). 4. Neřešené úlohy, dans O funkcích, GDML_Books,  (1962), pp. 54-55. http://gdmltest.u-ga.fr/item/403462/