TY  - JOUR
AU  - V. I. Vasyunin
TI  - Multiplicity of a spectrum of contractions with finite defect
JO  - Doklady Akademii Nauk
PY  - 1989
SP  - 1041
EP  - 1043
VL  - 304
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1989_304_5_a2/
LA  - ru
ID  - DAN_1989_304_5_a2
ER  -