IV. kapitola. Oblasti rovinného grafu, duální graf
Rovinné grafy, GDML_Books, (1977), p. 51-70 / Harvested from
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@inbook{403908,
     title = {IV. kapitola. Oblasti rovinn\'eho grafu, du\'aln\'\i\ graf},
     booktitle = {Rovinn\'e grafy},
     series = {GDML\_Books},
     publisher = {Mlad\'a fronta},
     address = {Praha},
     year = {1977},
     pages = {51-70},
     url = {http://dml.mathdoc.fr/item/403908}
}

 (éd.). IV. kapitola. Oblasti rovinného grafu, duální graf, dans Rovinné grafy, GDML_Books,  (1977), pp. 51-70. http://gdmltest.u-ga.fr/item/403908/