Kapitola I. O poměrech
O podobnosti v geometrii, GDML_Books, (1963), p. 5-22 / Harvested from
Access to full text
Full (PDF) 
@inbook{403484,
     title = {Kapitola I. O pom\v erech},
     booktitle = {O podobnosti v geometrii},
     series = {GDML\_Books},
     publisher = {Mlad\'a fronta},
     address = {Praha},
     year = {1963},
     pages = {5-22},
     url = {http://dml.mathdoc.fr/item/403484}
}

 (éd.). Kapitola I. O poměrech, dans O podobnosti v geometrii, GDML_Books,  (1963), pp. 5-22. http://gdmltest.u-ga.fr/item/403484/