[Obálka a záložka]
O rovnicích, GDML_Books, (1940), p. [i]-[ii] / Harvested from
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@inbook{402946,
     title = {[Ob\'alka a z\'alo\v zka]},
     booktitle = {O rovnic\'\i ch},
     series = {GDML\_Books},
     publisher = {Jednota \v cesk\'ych matematik\r u a fysik\r u v Praze},
     address = {Praha},
     year = {1940},
     pages = {[i]-[ii]},
     url = {http://dml.mathdoc.fr/item/402946}
}

 (éd.). [Obálka a záložka], dans O rovnicích, GDML_Books,  (1940), pp. [i]-[ii]. http://gdmltest.u-ga.fr/item/402946/