@article{1183530664,
author = {Davis, Chandler and Kahan, W. M.},
title = {Some new bounds on perturbation of subspaces},
journal = {Bull. Amer. Math. Soc.},
volume = {75},
number = {5},
year = {1969},
pages = { 863-868},
language = {en},
url = {http://dml.mathdoc.fr/item/1183530664}
}
Davis, Chandler; Kahan, W. M. Some new bounds on perturbation of subspaces. Bull. Amer. Math. Soc., Tome 75 (1969) no. 5, pp. 863-868. http://gdmltest.u-ga.fr/item/1183530664/