@book{400939, title = {\v Cesk\'e ko\v reny bulharsk\'e matematiky}, series = {GDML\_Books}, publisher = {Matfyzpress}, address = {Praha}, year = {2009}, language = {cs}, url = {http://dml.mathdoc.fr/item/400939} }
Bečvářová, Martina. České kořeny bulharské matematiky. GDML_Books (2009), http://gdmltest.u-ga.fr/item/400939/