[Obálka]
Zajímavé dvojice trojúhelníků, GDML_Books, (1980), p. [i]-[ii] / Harvested from
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@inbook{403986,
     title = {[Ob\'alka]},
     booktitle = {Zaj\'\i mav\'e dvojice troj\'uheln\'\i k\r u},
     series = {GDML\_Books},
     publisher = {Mlad\'a fronta},
     address = {Praha},
     year = {1980},
     pages = {[i]-[ii]},
     url = {http://dml.mathdoc.fr/item/403986}
}

 (éd.). [Obálka], dans Zajímavé dvojice trojúhelníků, GDML_Books,  (1980), pp. [i]-[ii]. http://gdmltest.u-ga.fr/item/403986/