TY  - JOUR
AU  - I. K. Daugavet
TI  - Causal extension of operators
JO  - Doklady Akademii Nauk
PY  - 1985
SP  - 1299
EP  - 1301
VL  - 283
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1985_283_6_a2/
LA  - ru
ID  - DAN_1985_283_6_a2
ER  -