Předmluva
Kombinatorika, GDML_Books, (1980), p. 3-[6] / Harvested from
Access to full text
Full (PDF) 
@inbook{403963,
     title = {P\v redmluva},
     booktitle = {Kombinatorika},
     series = {GDML\_Books},
     publisher = {Mlad\'a fronta},
     address = {Praha},
     year = {1980},
     pages = {3-[6]},
     url = {http://dml.mathdoc.fr/item/403963}
}

 (éd.). Předmluva, dans Kombinatorika, GDML_Books,  (1980), pp. 3-[6]. http://gdmltest.u-ga.fr/item/403963/