@inbook{403084,
     title = {P\v redmluva k prvn\'\i mu vyd\'an\'\i },
     booktitle = {R\r uzn\'e zp\r usoby zobrazov\'an\'\i\ v deskriptivn\'\i\ geometrii},
     series = {GDML\_Books},
     publisher = {Jednota \v cesk\'ych matematik\r u a fysik\r u},
     address = {Praha},
     year = {1944},
     pages = {3-3},
     url = {http://dml.mathdoc.fr/item/403084}
}