@misc{JRAM_1846__32_147333,
     title = {Zur n\"aherungsweisen {Kreis-Quadratur.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {91--91},
     publisher = {mathdoc},
     volume = {32},
     year = {1846},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1846__32_147333/}
}