@article{MZ_1935__39_168583,
     author = {E. Landau},
     title = {\"Uber einige {Ungleichungen} von {Herrn} {G.} {Gr\"uss}},
     journal = {Mathematische Zeitschrift},
     pages = {742--744},
     publisher = {mathdoc},
     volume = {39},
     year = {1935},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MZ_1935__39_168583/}
}