TY  - JOUR
AU  - P. V. Al'brecht
TI  - On operators of almost best approximations on the classes $W^rH_\omega$
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1993
SP  - 22
EP  - 29
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1993_6_a5/
LA  - ru
ID  - VMUMM_1993_6_a5
ER  -