TY - JOUR AU - Natasha D. Popova AU - Yurii S. Samoilenko TI - On the Existence of Configurations of Subspaces in a Hilbert Space with Fixed Angles JO - Symmetry, integrability and geometry: methods and applications PY - 2006 VL - 2 UR - http://geodesic.mathdoc.fr/item/SIGMA_2006_2_a54/ LA - en ID - SIGMA_2006_2_a54 ER -