%0 Journal Article %A S. I. Fedorov %T On the angles between subspaces, Muckenhoupt condition, %J Zapiski Nauchnykh Seminarov POMI %D 1997 %P 161-193 %V 237 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1997_237_a12/ %G ru %F ZNSL_1997_237_a12