TY  - JOUR
AU  - E. A. Gutkin
TI  - Overcomplete subspace systems and operator symbols
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1975
SP  - 89
EP  - 90
VL  - 9
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1975_9_3_a14/
LA  - ru
ID  - FAA_1975_9_3_a14
ER  -