TY  - JOUR
AU  - A. S. Kats
TI  - Best approximation to an element in a~Banach space by a system of seminorm
JO  - Matematičeskie zametki
PY  - 1979
SP  - 377
EP  - 388
VL  - 26
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1979_26_3_a6/
LA  - ru
ID  - MZM_1979_26_3_a6
ER  -