@article{04103918, title = {A characterization of the Grassmann manifold }, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {12}, year = {1989}, pages = {321-332}, doi = {10.1155/S0161171289000372}, zbl = {0674.53050}, language = {en}, url = {http://dml.mathdoc.fr/item/04103918} }
Ledger, A.J.; Papantoniou, B.J. A characterization of the Grassmann manifold . International Journal of Mathematics and Mathematical Sciences, Tome 12 (1989) pp. 321-332. doi : 10.1155/S0161171289000372. http://gdmltest.u-ga.fr/item/04103918/