@article{JRAM_1828__3_183125,
     author = {C.G. Specht},
     title = {Zweite {Ann\"aherungs-Construction} des {Kreis-Umfanges.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {405--406},
     year = {1828},
     volume = {3},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1828__3_183125/}
}