@article{JRAM_1943__185_150131,
     author = {Konrad Ludwig},
     title = {Die der transversalen {Mercatorkarte} der {Kugel} entsprechende {Abbildung} des {Rotationsellipsoids.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {193},
     publisher = {mathdoc},
     volume = {185},
     year = {1943},
     zbl = {0028.31701},
     language = {un},
     url = {https://geodesic-test.mathdoc.fr/item/JRAM_1943__185_150131/}
}