@inbook{403661,
     title = {Literatura doporu\v cen\'a k dal\v s\'\i mu studiu},
     booktitle = {Kongruence},
     series = {GDML\_Books},
     publisher = {Mlad\'a fronta},
     address = {Praha},
     year = {1968},
     pages = {133-[134]},
     url = {http://dml.mathdoc.fr/item/403661}
}