@article{MZ_1975__143_172212,
     author = {Walter Schempp and Bernd Dreseler},
     title = {On the {Convergence} and {Divergence} {Behaviour} of {Approximation} {Processes} in {Homogeneous} {Banach} {Spaces.}},
     journal = {Mathematische Zeitschrift},
     pages = {81--90},
     publisher = {mathdoc},
     volume = {143},
     year = {1975},
     zbl = {0287.43014},
     url = {http://geodesic.mathdoc.fr/item/MZ_1975__143_172212/}
}