@inbook{403014,
     title = {Obsah},
     booktitle = {O sou\v radnic\'\i ch v rovin\v e},
     series = {GDML\_Books},
     publisher = {Jednota \v cesk\'ych matematik\r u a fysik\r u},
     address = {Praha},
     year = {1942},
     pages = {[93]-[93]},
     url = {http://dml.mathdoc.fr/item/403014}
}