@article{CMUC_1967_8_2_a7,
     author = {Gran\'at, Lud\v{e}k},
     title = {Metrische {Eigenschaften} einparametrischer {Systeme} von linearen {R\"aumen} der {Dimension} $k$ im {Euklidischen} {Raume} $E_n$ {(Vorl\"aufige} {Mitteilungen)}},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {267--271},
     year = {1967},
     volume = {8},
     number = {2},
     mrnumber = {0217704},
     zbl = {0168.42403},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1967_8_2_a7/}
}