%0 Journal Article
%A Yu. P. Pyt'ev
%T Methods of reduction of measurements in Hilbert spaces
%J Sbornik. Mathematics
%D 1986
%P 525-549
%V 54
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1986_54_2_a12/
%G en
%F SM_1986_54_2_a12