[Obálka]
O grupách, GDML_Books, (1974), p. [i] / Harvested from
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@inbook{403808,
     title = {[Ob\'alka]},
     booktitle = {O grup\'ach},
     series = {GDML\_Books},
     publisher = {Mlad\'a fronta},
     address = {Praha},
     year = {1974},
     pages = {[i]-[i]},
     url = {http://dml.mathdoc.fr/item/403808}
}

 (éd.). [Obálka], dans O grupách, GDML_Books,  (1974), p. [i]. http://gdmltest.u-ga.fr/item/403808/