TY  - JOUR
AU  - M. A. Naimark
TI  - Conditions for unitary equivalence of commutative symmetric algebras in the space $\Pi_k$
JO  - Doklady Akademii Nauk
PY  - 1965
SP  - 1257
EP  - 1260
VL  - 160
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1965_160_6_a8/
LA  - ru
ID  - DAN_1965_160_6_a8
ER  -