@inbook{402377,
     title = {P\'\i skov\'y po\v cet},
     booktitle = {Archim\'ed\'es},
     series = {GDML\_Books},
     publisher = {MATFYZPRESS, Vydavatelstv\'\i\ Matematicko-fyzik\'aln\'\i\ fakulty v Praze},
     address = {Praha},
     year = {2012},
     pages = {55-[62]},
     url = {http://dml.mathdoc.fr/item/402377}
}

Bečvář, Jindřich. Pískový počet, dans Archimédés, GDML_Books,  (2012), pp. 55-[62]. http://gdmltest.u-ga.fr/item/402377/