@article{MZ_1972__128_171796,
     author = {Lowell J. Hansen},
     title = {Boundary {Values} and {Mapping} {Properties} of {Hp} {Functions.}},
     journal = {Mathematische Zeitschrift},
     pages = {189--194},
     publisher = {mathdoc},
     volume = {128},
     year = {1972},
     zbl = {0242.30033},
     url = {http://geodesic.mathdoc.fr/item/MZ_1972__128_171796/}
}