@article{MAN_1929__101_159342,
     author = {A. Khintchine},
     title = {\"Uber die positiven und negativen {Abweichungen} des arithmetischen {Mittels}},
     journal = {Mathematische Annalen},
     pages = {381--385},
     publisher = {mathdoc},
     volume = {101},
     year = {1929},
     zbl = {55.0297.04},
     url = {http://geodesic.mathdoc.fr/item/MAN_1929__101_159342/}
}