@article{MAN_1982__260_163655,
     author = {Dirk Ferus and Stephan Schirrmacher},
     title = {Submanifolds in {Euclidean} {Space} with {Simple} {Geodesics.}},
     journal = {Mathematische Annalen},
     pages = {57--62},
     publisher = {mathdoc},
     volume = {260},
     year = {1982},
     zbl = {0474.53004},
     url = {http://geodesic.mathdoc.fr/item/MAN_1982__260_163655/}
}