@article{JRAM_1834__12_146901,
     author = {C. Guetzlaff},
     title = {Aequatio modularis pro transformatione functionum ellipticarum septimi ordinis.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {173--177},
     publisher = {mathdoc},
     volume = {12},
     year = {1834},
     language = {la},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1834__12_146901/}
}