@book {Grabar1928, title = {Recherches sur les influences orientales dans l{\textquoteright}art balkanique}, series = {Publications de la Facult{\'e} des Lettres de l{\textquoteright}Universit{\'e} de Strasbourg}, number = {43}, year = {1928}, publisher = {les Belles-Lettres}, organization = {les Belles-Lettres}, address = {Paris}, author = {Grabar, Andr{\'e}} }