@article{GDZPPN002444577,
title = {(1,1)-geodesic maps into Grassmann manifolds.},
journal = {Mathematische Zeitschrift},
volume = {220},
year = {1995},
pages = {337-346},
zbl = {0863.53046},
url = {http://dml.mathdoc.fr/item/GDZPPN002444577}
}
Tribuzy, R.; Eschenburg, J.-H. (1,1)-geodesic maps into Grassmann manifolds.. Mathematische Zeitschrift, Tome 220 (1995) pp. 337-346. http://gdmltest.u-ga.fr/item/GDZPPN002444577/