TY  - JOUR
AU  - Yu. P. Pyt'ev
TI  - Methods of reduction of measurements in Hilbert spaces
JO  - Sbornik. Mathematics
PY  - 1986
SP  - 525
EP  - 549
VL  - 54
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1986_54_2_a12/
LA  - en
ID  - SM_1986_54_2_a12
ER  -