@article{1255644951,
author = {Wolf, Joseph A.},
title = {Geodesic spheres in Grassmann manifolds},
journal = {Illinois J. Math.},
volume = {7},
number = {1},
year = {1963},
pages = { 425-446},
language = {en},
url = {http://dml.mathdoc.fr/item/1255644951}
}
Wolf, Joseph A. Geodesic spheres in Grassmann manifolds. Illinois J. Math., Tome 7 (1963) no. 1, pp. 425-446. http://gdmltest.u-ga.fr/item/1255644951/