@article{SF_1989__38_2_134952,
     author = {Gabriella di Blasio},
     title = {Characterization of interpolation spaces and regularity properties for holomorphis  semigroups.},
     journal = {Semigroup forum},
     pages = {179--188},
     publisher = {mathdoc},
     volume = {38},
     number = {2},
     year = {1989},
     zbl = {0704.47032},
     url = {http://geodesic.mathdoc.fr/item/SF_1989__38_2_134952/}
}