TY  - JOUR
AU  - R. R. Akopyan
AU  - M. S. Saidusajnov
TI  - Three extremal problems in the Hardy and Bergman spaces of functions analytic in a disk
JO  - Trudy Instituta matematiki i mehaniki
PY  - 2017
SP  - 22
EP  - 32
VL  - 23
IS  - 3
UR  - http://geodesic.mathdoc.fr/item/TIMM_2017_23_3_a1/
LA  - ru
ID  - TIMM_2017_23_3_a1
ER  -