@article{10_4064_aa_30_3_225_227,
     author = {Bernd Richter},
     title = {\"Uber die {Monotonie} von {Differenzenfolgen}},
     journal = {Acta Arithmetica},
     pages = {225--227},
     publisher = {mathdoc},
     volume = {30},
     number = {3},
     year = {1976},
     doi = {10.4064/aa-30-3-225-227},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-30-3-225-227/}
}