@article{JRAM_1828__3_183131,
     author = {C.G. Specht},
     title = {Ann\"aherungs-Construction des {Kreis-Umfangs} und {Fl\"achen-Inhalts.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {83--83},
     publisher = {mathdoc},
     volume = {3},
     year = {1828},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1828__3_183131/}
}