I. Prolog
České kořeny bulharské matematiky, GDML_Books, (2009), p. [9] / Harvested from
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@inbook{400942,
     title = {I. Prolog},
     booktitle = {\v Cesk\'e ko\v reny bulharsk\'e matematiky},
     series = {GDML\_Books},
     publisher = {Matfyzpress},
     address = {Praha},
     year = {2009},
     pages = {[9]-[9]},
     url = {http://dml.mathdoc.fr/item/400942}
}

 (éd.). I. Prolog, dans České kořeny bulharské matematiky, GDML_Books,  (2009), p. [9]. http://gdmltest.u-ga.fr/item/400942/