TY  - JOUR
AU  - R. R. Akopyan
TI  - Best approximation for the analytic continuation operator on the class of analytic functions in a~ring
JO  - Trudy Instituta matematiki i mehaniki
PY  - 2012
SP  - 3
EP  - 13
VL  - 18
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TIMM_2012_18_4_a0/
LA  - ru
ID  - TIMM_2012_18_4_a0
ER  -