Předmluva
O rovnicích s parametry, GDML_Books, (1964), p. 3-6 / Harvested from
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@inbook{403493,
     title = {P\v redmluva},
     booktitle = {O rovnic\'\i ch s parametry},
     series = {GDML\_Books},
     publisher = {Mlad\'a fronta},
     address = {Praha},
     year = {1964},
     pages = {3-6},
     url = {http://dml.mathdoc.fr/item/403493}
}

 (éd.). Předmluva, dans O rovnicích s parametry, GDML_Books,  (1964), pp. 3-6. http://gdmltest.u-ga.fr/item/403493/