[Obálka]
Stavba Lobačevského planimetrie, GDML_Books, (1969), p. [i]-[ii] / Harvested from
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@inbook{403685,
     title = {[Ob\'alka]},
     booktitle = {Stavba Loba\v cevsk\'eho planimetrie},
     series = {GDML\_Books},
     publisher = {Mlad\'a fronta},
     address = {Praha},
     year = {1969},
     pages = {[i]-[ii]},
     url = {http://dml.mathdoc.fr/item/403685}
}

 (éd.). [Obálka], dans Stavba Lobačevského planimetrie, GDML_Books,  (1969), pp. [i]-[ii]. http://gdmltest.u-ga.fr/item/403685/