@inbook{403697, title = {[Ob\'alka]}, booktitle = {Dirichletov princ\'\i p}, series = {GDML\_Books}, publisher = {Mlad\'a fronta}, address = {Praha}, year = {1969}, pages = {[i]-[ii]}, url = {http://dml.mathdoc.fr/item/403697} }
(éd.). [Obálka], dans Dirichletov princíp, GDML_Books, (1969), pp. [i]-[ii]. http://gdmltest.u-ga.fr/item/403697/