%0 Journal Article %A P. M. Milichich %T On the Orthogonal Projection and the Best Approximation of a Vector in a Quasi-Inner Product Space %J Mathematica balkanica %D 2001 %P 297 %V 15 %N 3-4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_2001_15_3-4_a11/ %F MABA_2001_15_3-4_a11