@article{CMH_1934__6_138611,
     author = {Th. Motzkin},
     title = {Notiz zu einem {Kriterium} f\"ur die {Konvergenz} von {Reihen} mit reellen {Gliedern.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {129--132},
     publisher = {mathdoc},
     volume = {6},
     year = {1934},
     zbl = {60.0173.01},
     url = {http://geodesic.mathdoc.fr/item/CMH_1934__6_138611/}
}