@inbook{403699,
title = {Predslov},
booktitle = {Dirichletov princ\'\i p},
series = {GDML\_Books},
publisher = {Mlad\'a fronta},
address = {Praha},
year = {1969},
pages = {[3]-[4]},
url = {http://dml.mathdoc.fr/item/403699}
}
(éd.). Predslov, dans Dirichletov princíp, GDML_Books, (1969), pp. [3]-[4]. http://gdmltest.u-ga.fr/item/403699/