@article{AKGWG_1843__1_135639,
     author = {C. F. Gauss},
     title = {Dioptrische {Untersuchungen}},
     journal = {Abhandlungen der K\"oniglichen Gesellschaft der Wissenschaften zu G\"ottingen},
     pages = {1--34},
     year = {1843},
     volume = {1},
     url = {http://geodesic.mathdoc.fr/item/AKGWG_1843__1_135639/}
}