@article{NGWGMP_1914__1914_58911,
     author = {H. Falckenberg},
     title = {Erg\"anzungsrelationen f\"ur kreisbogen- {N-} {Ecke}},
     journal = {Nachrichten von der Gesellschaft der Wissenschaften zu G\"ottingen, Mathematisch-Physikalische Klasse},
     pages = {230--233},
     publisher = {mathdoc},
     volume = {1914},
     year = {1914},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/NGWGMP_1914__1914_58911/}
}