%0 Journal Article %A Maja Nikolova %T Digitized Letters - Teacher Letters from Serbia Xix Century %J Review of the National Center for Digitization %D 2018 %P 54 %V 33 %I mathdoc %U http://geodesic.mathdoc.fr/item/NCD_2018_33_a5/ %G en %F NCD_2018_33_a5