@article{BAG_1989__29_138445,
     author = {Z. N\'aden{\'\i}k},
     title = {Geometrie und {Geod\"asie}},
     journal = {Beitr\"age zur Algebra und Geometrie},
     pages = {131--142},
     publisher = {mathdoc},
     volume = {29},
     year = {1989},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/BAG_1989__29_138445/}
}