@article{MZ_1939__45_168873,
     author = {J., Karamata},
     title = {\"Uber die {Indexverschiebung} beim {Borelschen} {Limitierungsverfahren}},
     journal = {Mathematische Zeitschrift},
     pages = {635--641},
     publisher = {mathdoc},
     volume = {45},
     year = {1939},
     zbl = {0022.01701},
     url = {http://geodesic.mathdoc.fr/item/MZ_1939__45_168873/}
}