[Titulní stránky]
Trigonometrie, GDML_Books, (1952), p. [1]-[2] / Harvested from
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@inbook{404204,
     title = {[Tituln\'\i\ str\'anky]},
     booktitle = {Trigonometrie},
     series = {GDML\_Books},
     publisher = {P\v r\'\i rodov\v edeck\'e nakladatelstv\'\i },
     address = {Praha},
     year = {1952},
     pages = {[1]-[2]},
     url = {http://dml.mathdoc.fr/item/404204}
}

 (éd.). [Titulní stránky], dans Trigonometrie, GDML_Books,  (1952), pp. [1]-[2]. http://gdmltest.u-ga.fr/item/404204/