@article{GDZPPN002285436, title = {Geodesic Mapping of Minimal Surfaces.}, journal = {Mathematische Annalen}, volume = {132}, year = {1956}, pages = {310-327}, zbl = {0074.16804}, url = {http://dml.mathdoc.fr/item/GDZPPN002285436} }
Helfenstein, H.; Wyman, M. Geodesic Mapping of Minimal Surfaces.. Mathematische Annalen, Tome 132 (1956) pp. 310-327. http://gdmltest.u-ga.fr/item/GDZPPN002285436/