@inbook{403829,
title = {2. kapitola. Metrika, metrick\'y prostor},
booktitle = {Co asi nev\'\i te o vzd\'alenosti},
series = {GDML\_Books},
publisher = {Mlad\'a fronta},
address = {Praha},
year = {1974},
pages = {33-55},
url = {http://dml.mathdoc.fr/item/403829}
}
(éd.). 2. kapitola. Metrika, metrický prostor, dans Co asi nevíte o vzdálenosti, GDML_Books, (1974), pp. 33-55. http://gdmltest.u-ga.fr/item/403829/