TY  - JOUR
AU  - I. Ts. Gokhberg
AU  - M. G. Krein
TI  - Description of contraction operators which are similar to unitary operators
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1967
SP  - 38
EP  - 60
VL  - 1
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1967_1_1_a3/
LA  - ru
ID  - FAA_1967_1_1_a3
ER  -