@inbook{404055,
     title = {Kapitola 4. Minimum a maximum},
     booktitle = {P\v r\'\i mky a k\v rivky},
     series = {GDML\_Books},
     publisher = {Mlad\'a fronta},
     address = {Praha},
     year = {1982},
     pages = {62-71},
     url = {http://dml.mathdoc.fr/item/404055}
}