%0 Journal Article %A Risteski, Ice B. %A Trencevski, Kostadin G. %T Principal values and principal subspaces of two subspaces of vector spaces with inner product. %J Beiträge zur Algebra und Geometrie %D 2001 %P 289 %V 42 %N 1 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/BAG_2001__42_1_225640/ %G en %F BAG_2001__42_1_225640