@article{JRAM_1909__135_149296,
     author = {Ludwig von D\'avid},
     title = {Zur {Theorie} der {Schapiraschen} {Iteration.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {62--74},
     publisher = {mathdoc},
     volume = {135},
     year = {1909},
     zbl = {39.0399.01},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1909__135_149296/}
}