1. Čísla
O rovnicích, GDML_Books, (1940), p. 5-12 / Harvested from
@inbook{402950,
     title = {1. \v C\'\i sla},
     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 = {5-12},
     url = {http://dml.mathdoc.fr/item/402950}
}
 (éd.). 1. Čísla, dans O rovnicích, GDML_Books,  (1940), pp. 5-12. http://gdmltest.u-ga.fr/item/402950/