@article{JRAM_1935__172_149904,
     author = {B\'ela Barna},
     title = {Ein {Limessatz} aus der {Theorie} des arithmetisch-geometrischen {Mittels.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {86--88},
     publisher = {mathdoc},
     volume = {172},
     year = {1935},
     zbl = {0010.16102},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1935__172_149904/}
}