@article{MZ_1952__56_169281,
     author = {A. Peyerimhoff and W. Jurkat},
     title = {Mittelwerts\"atze und {Vergleichss\"atze} f\"ur {Matrixtransformationen.}},
     journal = {Mathematische Zeitschrift},
     pages = {152--178},
     publisher = {mathdoc},
     volume = {56},
     year = {1952},
     zbl = {0047.06403},
     url = {http://geodesic.mathdoc.fr/item/MZ_1952__56_169281/}
}