@article {4341, title = {Cuatro himnos de s. Efr{\'e}n sobre el aceite, el olivo y los misterios de nuestro Se{\~n}or (De Virginitate, IV-VII)}, journal = {Compostellanum}, volume = {32}, year = {1987}, pages = {65-91}, keywords = {Ephrem}, author = {Francisco Javier Martinez Fernandez} }