@article{MZ_1931__33_168262,
     author = {V. V. Jarnik},
     title = {\"Uber die {Mittelwerts\"atze} der {Gitterpunktlehre.} {Zweite} {Abhandlung}},
     journal = {Mathematische Zeitschrift},
     pages = {85--97},
     publisher = {mathdoc},
     volume = {33},
     year = {1931},
     zbl = {0001.13003},
     url = {http://geodesic.mathdoc.fr/item/MZ_1931__33_168262/}
}