Předmluva
Vektory v geometrii, GDML_Books, (1971), p. 3-4 / Harvested from
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@inbook{403732,
     title = {P\v redmluva},
     booktitle = {Vektory v geometrii},
     series = {GDML\_Books},
     publisher = {Mlad\'a fronta},
     address = {Praha},
     year = {1971},
     pages = {3-4},
     url = {http://dml.mathdoc.fr/item/403732}
}

 (éd.). Předmluva, dans Vektory v geometrii, GDML_Books,  (1971), pp. 3-4. http://gdmltest.u-ga.fr/item/403732/